Abstract: A solid rectangular building block for a toy building set which is intended to interlock frictionally with like building blocks. The building block has a plurality of intersecting grooves formed in its faces in a predetermined patterned, and it also has a number of tongues extending outwardly from certain other faces which are intersected by the grooves and which are intended to fit into the grooves of like blocks in a frictional relationship with the grooves.

Abstract: An educational device for teaching humanistic values to a child is in the form of a toy manufactured with at least one recognizable abused condition or defect. The toy is packaged and marketed with repair apparatus enabling a child to permanently substantially eliminate the abused condition and effective upon completion of the repair to leave permanent visual reminder of the original abused condition.

Abstract: A construction toy formed from a plurality of building blocks. Each building block is formed with a multiplicity of facets defining the exterior and each facet is provided with structure for attachment to another facet. Some facets are embodied as including a plurality of radially extending vanes, others are complementally formed recesses. Preferably these recesses and vanes are disposed on top and bottom walls of a building block, defining two of the facets. A periphery circumscribes the top and bottom walls and defines a plurality of additional facets. This periphery is provided with further structure for interconnection with other facets on the block. Some peripheries are provided with projections, others with channels. The projections can be received not only in the channels, but also within recesses on the bottom walls. The channels not only can receive projections, but also can receive the vanes on the top wall of the block.

Abstract: A connectable mobile toy wherein a plurality of such toys can be interconnected front to back and side by side. The front-to-back connection allows swiveling so that a string of interconnected toys can negotiate turns and surface irregularities. Propulsion is provided by a spring-driven motor installed in one or more toys in the formation.

Abstract: In a toy vehicle having a chassis travelling by means of wheels on a driving surface and a body which can be fastened thereon, the vehicle chassis has fixed on the side towards the body at a distance adjacent to each other a number of pegs and the vehicle body has fixed on the side towards the chassis at the same distance and in relation to the pegs a number of sleeves which can be pushed onto the pegs of the vehicle chassis so they are frictionally engaged for the purpose of interchangeable application of any desired body on the same vehicle chassis.

Abstract: The toy combination includes a self-powered toy vehicle with driven wheels adjacent the front thereof and a toy trailer with non-driven wheels and with a receptacle on the trailer in front of its wheels releasably receiving the rear of the toy vehicle. The toy vehicle and trailer include cooperative details for locating and interlocking them together when the rear of the vehicle is received in the receptacle. The toy vehicle and trailer are configured such that the toy combination formed thereby resembles a tractor-trailer type truck whose front wheels comprise the driven wheels of the toy vehicle and whose rear wheels comprise the wheels of the trailer.

Abstract: In a wheel for use with a modular assembly system with plug-in-type elements, the dimensioning of all of the elements being based on a basic unit length a, the wheel having a square central axle hole with a cross-section of a.times.a, rectangular slots with a width a being radially cut into both of the laterial faces of the wheel and arranged in pairs axially opposite to each other, axial openings are provided in the areas of the slots to provide a connection between the axially opposed slots.

Abstract: A running toy having an integral and concealed transmission member permits easy construction of running toys having a desirable appearance. A block unit of the running toy includes a hollow cube or block having a concave portion for receiving other block units and a convex portion for coupling to other block units. The concealed transmission member is rotatably mounted within the hollow cube so as to permit successive block units to be connected, and top permit a drive force inputted to one end of a succession of block units, from a power unit and through a power transmission, to be output at another end of the succession of block units. The succession of blocks can be configured in any desired shape, such as a crane.

Abstract: A one-piece plastic axle structure comprises a base plate, an abutment plate normal to one edge of the base plate, a cross-shaped columnar connector perpendicular to the base plate and a cross-shaped shaft perpendicular to the abutment plate; the shaft having bulges at its free end and the end of the abutment plate being rounded. The axle structure is connected to a wheel having a shaft bearing defining a bore and a counterbore; the shaft of the axle structure fitting into the shaft bearing with its bulges received in the bearing counterbore and the shaft proper received in the bore. The axle structure is further connected to a construction toy block having a parallelepiped hollow body and a plurality of hollow plugs opening into the body; the columnar connector fitting into one of the hollow plugs with an adjacent side wall of the body falling between the abutment plate and the columnar connector; the lower end of the abutment plate being rounded and resting on the inner face of the wheel tread.

Abstract: An interface receives a high and low voltage signal from a single contact or pin of an output port of a multipurpose microcomputer and uses such signal to control the electrically-powered movement or action of a robot as determined by the programming of the microcomputer. The robot has a sensor connected to the interface and detecting whether or not a preselected condition exists at the robot. The interface sends a high and low voltage input signal to a second single contact or pin of the microcomputer port to communicate the condition of the robot sensed by the sensor. The robot is designed and constructed by the user from interchangeable parts, and the user writes essentially all of the computer programming in a simplified language. By a series of experiments, the student learns computer terminology and programming and robotic technology.

Abstract: A toy vehicle having a chassis and interchangeable wheel drive units detachably mounted in container portions of the chassis. The wheel drive units has a unit body and a pair of wheels rotatably mounted to the unit body via a rotary shaft.

Abstract: Included in a toy construction set is a special block having an axle projecting therefrom, the axle having a slot providing a pair of resilient legs with a groove formed near the free end of each leg. A hub has a bore so that the hub can be journaled for rotation on the axle, the bore having an annular rib therein to provide a releasable snap-action retention. A resilient tire is provided so that it can be mounted on the hub to provide a wheel assembly. Also, a crank unit is provided so that it can be attached to the hub to provide a winch assembly, a locking pin then being available to either allow or prevent rotation of the hub on the axle.

Abstract: A toy construction set having a plurality of generally planar geometrically configured unitary multi-sided construction elements, with each side having a tab connected thereto with living hinges, each tab including an aligned pair of connectors, each connector including a generally cup-shaped protuberance, the exterior forming a male connector or pin and the interior forming a female connector or well. Adjacent connectors on a given tab are inverted relative to one another. A shaft member is provided with one end having a pin and the other end having a wall. A wheel carrying member is provided with horseshoe-shaped clip portions for engaging the periphery of the shaft member.

Abstract: A toy automobile having selective drive wheels comprising a body, a chassis and pairs of front and rear wheels, in which either a front wheel windup spring drive unit or a freewheel holder along with a front axle is detachably arranged in a front space of the chassis, and in which either a rear wheel windup spring drive unit or a freewheel holder along with a rear axle is detachably arranged in a rear space of the chassis, whereby a selection between front wheel drive, rear wheel drive, four-wheel drive or four-freewheel is made possible.

Abstract: A toy vehicle having a base portion; a top portion; and a mechanical arrangement linking the base portion to the top portion for causing the top portion to move to a number of different positions with respect to the base portion, the aforementioned arrangement including a pair of pivoting axles, receptacles for pivotably fixing the axles at selected positions adjacent the base portion, a pair of arms extending from each of the axles, each of the arms having an end, and an arrangement pivotably fixing the ends of the arms extending from each axle to pivot at selected positions adjacent the top portion.

Abstract: A toy construction set has a variety of component parts including bases, houses, and auxiliary members. Male and female connecting elements attached to the respective components allow for assembly of the components in a variety of configurations. To connect the components, one or more of a first male connector which is formed as a truncated cone and a first female connector which is formed as a corresponding truncated boss, are frictionally fit to one another. The first male and female connectors are appropriately formed on the bases, housings, and auxiliary members. Further, a second connecting system utilizing a second female connector formed as a cylindrical opening and an elongated cylindrical element can be utilized to connect other of these components together. Utilizing the components of the invention, a variety of spacial configurations can be made, such as forming vehicle like trucks, helicopters, and construction equipment such as backhoes, forklifts, bulldozers, and the like.

Abstract: At least one lateral face (for instance 5) has a female assembly means (8) designed to coact with an assembly stud (7) provided on another element and comprising a body (71) ending with a head (72) which is wider than said body, the female assembly means (8) consisting in a hollow zone having a first part (81) which is wider than the head (72) of the assembly stud and a second part (82) having a lesser width than that of the head of the assembly stud (7). The second part (82) of the female assembly means (8) has a housing (72) in its interior designed to receive tightly the head (72) of the assembly stud. In an advantageous example of the embodiment, said housing (83) is comprised by two internal ribs (84).

Abstract: A constructional toy is disclosed which may be assembled in numerous different configurations employing four basic components which include a triangularly-shaped component, a rectangularly-shaped component and two elongated board components. A pair of wheels are mounted on the triangularly-shaped and rectangularly-shaped components. From these four basic components, the plurality of toys may be constructed.

Abstract: A construction toy has a first module which includes a bellows and a bulb with a tube connecting the two. The bellows includes a connector on each of its ends. Second modules each having connectors which mate with the connectors on the bellows, attached to the respective ends of the bellows. Third modules, each having an axle having wheels located thereon, are connected to the second modules utilizing mating connectors. The wheels on the third module include a ratchet mechanism allowing for rotation in only one direction. Upon each compression of the bulb, fluid pressure is transmitted to the bellows to elongate it, and in so doing, one of the third modules is moved away from the other; and upon release of the bulb, the bellows shortens bringing the other of the third modules back toward the first.

Abstract: A transformable toy assembly is disclosed which provides at least two assembly elements separable and combinable with respect to each other and independently reversibly transformable between at least two forms different from each other. The assembly elements are combined together in various forms to provide forms different from each other.

Abstract: A functional design element for use with a toy or toy-like assembly set comprises a substantially rectangular material strip being formed with two openings at its opposed longitudinal ends for two push-button-like fasteners whereby the material strip is formed either of a resiliently pliable or of a rigid synthetic resin within two respective groups of different functional design elements for obtaining technical-functional and at the same time esthetical different impressions for the visible surface of the assembled design body.

Abstract: A running toy has a detachable non-circular wheel attached to an axle driven by a known prime mover, such as spring-powered prime mover and the like. The wheel is molded from an elastic material, such as rubber, soft plastic and the like, and has large projections and recesses formed on the peripheral surface thereof to make the running toy perform various interesting motions which are not conventionally obtained as well as to offer favorable effects.

Abstract: A form-convertible toy robot comprises a body including a head, arms, shoulders, thighs, and legs. The head has a robot face on one surface thereof and a predetermined portion of the form on the other surface thereof. The arms with shoulders are mounted rotatably of the body and are in frictional engagement with the body. The thighs are mounted on the body either in fixed relation to the body or in rotational relation to the body. The legs are mounted on the thighs for rotational or slidable movement relative to the thighs. The toy robot can be converted into another form, such as a toy car, motorcycle, helicopter, tank or the like.

Abstract: A children's activity playset for building vehicles using a malleable material includes a chassis carrying free wheeling axle and wheel assemblies on the underside. Clear plastic body shells are provided for filling with colored malleable materials and then pressing on top of the chassis. Upwardly projecting posts on the chassis help secure the malleable material to the chassis. Once assembled the clear shell may be removed or left on the vehicle to protect it during play.

Abstract: A mobile device to be connected to a home microcomputer is arranged to facilitate and encourage experimentation by the user. The device is largely made from construction kit ports, facilitating modifications and additions to its structure. Drive is provided by stepper motors, with one digital output pulse from the computer causing one increment of motor rotation. This simplifies programming by the user, especially if one pulse is arranged to cause a turn through an integer fraction of a right angle. The device carries a circuit board to which sensors on the device are connected by individual plugs and sockets, enabling one to be disconnected without disturbing the others. An interface board intermediately between the mobile device and the computer collates several cables from the computer parts into one cable leading to the mobile device.

Abstract: A dioramatic running toy including a running member and a dioramatic panel removably attached to the running member so as to enable the dioramatic panel to run with the running member. The present invention further relates to a dioramatic running toy assembly including a plurality of dioramatic running toys capable of running in combination.

Abstract: A reconfigurable toy assembly having foldable portions to allow the toy assembly to simulate a toy combination vehicle having a tractor unit and a trailer unit separatably connected to each other. The tractor unit when separated from the trailer unit is reversibly reconfigurable into a robotic humanoid form, while the trailer unit is reversibly reconfigurable into a play space for the robotic humanoid.

Abstract: A toy transport set is disclosed which includes a toy truck having a cab and a trailer for carrying one or more toy vehicles, such as toy cars. The trailer is convertible from a transport configuration in which the trailer is releasably coupled to the cab, into a bridge configuration wherein the trailer forms a bridge having a relatively smoothly curving upper surface over which toy vehicles can move and under which toy vehicles may pass. The trailer has a main body portion with a substantially semi-circular upper exterior surface and a substantially flat bottom surface, and two end portions which are pivotally connected adjacent respective ends of the main portion. The end portions each have a surface having a concave contour matching a portion of the upper surface of the main body portion such that the end portions can be placed in facial engagement with the upper exterior surface of the main body portion.

Abstract: An article of manufacture useful as a rehabilitation device, toy, article of furniture or the like includes a medial or central body portion (10), a pair of opposed legs (16), (18) extending from the body portion (10). The side walls of the legs are curvilinear, as is the bottom wall (12) of the central body portion (10). Each side wall of the article is covered with a woven nylon fabric for ready detachability of items such as woven nylon fabric letters, straps, etc. The article includes recesses (24) and projections (28) for stacking of plural articles.

Abstract: A self-propelled military type land vehicle with a power take-off friction coupling in the form of a rotating cannon fits into and is retained in a helicopter shell with the power coupling driving the helicopter rotor. A releasable latch carried by the helicopter retains the vehicle within the helicopter shell and in driving engagement during simulated flight. The helicopter has a hand grippable depending tail support with a trigger disposed near the support for effecting release of the land vehicle and disengagement of the power take-off coupling from the rotor without braking the rotor.