Abstract: A sliding puzzle toy is provided, including a main body and sliders slidably connected to the main body. The main body includes two bottom walls and a side wall, wherein at least one of the two bottom walls is provided with a recessed slot and a separable block, one side of the recessed slot is connected to the side wall, an arc transition is provided at a connection between the recessed slot and the side wall, and the separable block is movably or detachably connected to the recessed slot. The outer surface of the side wall is provided with sliding grooves that intersects with each other along circumferential and longitudinal directions, the sliding grooves are movably connected to the sliders, and one of the longitudinal sliding grooves passes through a connection between the recessed slot and the side wall and extends towards a bottom wall of the recessed slot.

Abstract: The present disclosure provides a sliding puzzle. The sliding puzzle includes a cylindrical support and a plurality of blocks. The cylindrical support provided with two opposite bottom surfaces and a side surface connected between the two bottom surfaces, wherein the side surface is provided with a guide rail structure. Each of the blocks is mounted on the guide rail structure and can slide along the guide rail structure to change a position. The sliding puzzle in this solution can effectively decrease the possibility of loss of block parts in an assembling process of the sliding puzzle and improves the convenience of use of the sliding puzzle. Meanwhile, compared with the paper card type and plastic sliding puzzles, the sliding puzzle in this solution improves the stereo perception and the funniness. The sliding puzzle is simple in structure, convenient to assemble, and connected firmly.

Abstract: Rotating golf tee devices are disclosed. The devices include a central base configured to be positioned on a ground surface. In addition, the devices include a motor that is connected to and located above the central base that rotates an axis perpendicular to the ground surface. The devices further include a plurality of arms extending from and connected, directly or indirectly, to the motor. The devices include a golf tee connected to the distal end of each of the plurality of arms, with the motor being configured to simultaneously rotate the plurality of arms and each connected golf tee.

Abstract: The invention relates to a sports ball comprising a rubber core and optionally a felt, the rubber core defining an internal volume and an outer surface, the felt being provided on the outer surface of the rubber core, and the rubber core comprising: natural and/or synthetic rubber; and a biodegradability-enabling additive comprising at least one organic compound in a carrier material, wherein the organic compound is a nutrient substrate for an active landfill or marine environment strain of bacteria. The invention further relates to a method for manufacturing a tennis ball including: a) mixing natural rubber and butadiene rubber with further ingredients and the biodegradability-enabling additive; b) extruding a portion of the mixture; c) utilizing the extruded portion for forming a shellpart; d) assembling a core by attaching at least two shellparts to each other; e) inflating the core; and f) providing a felt on the surface of the core.

Abstract: A series of educational multi-layered jigsaw puzzles based on the K-12 school curriculum in which puzzles progress in difficulty and pieces have liquid freeform cut lines, cut along the outlines or silhouette of the image, with puzzle pieces getting progressively smaller from top to bottom creating a tiered basin when all pieces are removed, where some layers are interchangeable and some are double-sided. In mathematical puzzles, the change of state from single to double digits is illustrated with a change of object, where the double-digit object is one that would consist of multiple instances of the single-digit object in real life, such as grapes and bunches, and pieces are non-geometrical, non-polygonal, non-spherical and purposefully difficult to distinguish by shape alone.

Abstract: A luminous ball includes a light-transmittance inner airbag, a light-transmittance outer surface layer, a light-emitting assembly and a cover body. The light-transmittance inner airbag defines an inflation space. An accommodating slot is provided in the light-transmittance inner airbag. The outer wall of the accommodating slot extending into the inflatable space from the outside. The light-transmittance outer surface layer is wrapped around an outer surface of the light-transmittance inner airbag. The light-transmittance outer surface layer is provided with a first opening. The light-emitting assembly is detachably inserted into the accommodating slot. The cover body is in detachable threaded connection to an inner wall of the accommodating slot and covers the accommodating slot to limit the light-emitting assembly in the accommodating slot. The cover body is in detachable to the accommodating slot and covers the accommodating slot to limit the light-emitting assembly in the accommodating slot.

Abstract: A golf tee nest is a device designed to help golf enthusiasts practice different golf skills as well as to serve as a storage box or a gift box for one or more golf balls. The device includes a plurality of interlocking pieces and a plurality of golf tees. The plurality of interlocking pieces corresponds to several triangular-shaped retaining pieces that can hold a golf ball in different ways for different golf-related activities. The plurality of interlocking pieces is also designed to be rearranged into different configurations to facilitate the different golf-related activities that the user can perform with the device. The plurality of golf tees corresponds to several golf tees specially designed to facilitate the coupling of the plurality of interlocking pieces in different configurations. The plurality of golf tees can also be utilized without the plurality of interlocking pieces to perform different golf-related activities.

Abstract: A rechargeable baseball core is provided, which includes a luminous ball and a cover covering a surface of the luminous ball. The luminous ball includes a housing, a luminous component, and a battery component. The luminous component is provided on the housing and configured for luminescent. The battery component includes a battery shell and a battery module. The battery shell is fixedly provided on the housing and is made of fire-resistant material. The battery shell is provided with a protection chamber and a connection groove that is penetrated through. The connection groove communicates to the protection chamber, and the battery module is clamped and fixed to the protection chamber and electrically connected to the luminous component through wires in the connection groove. The present application has an effect of reducing losses caused by battery self-ignition.

Abstract: A magnetic pickleball comprising a hollow body and a plurality of second magnetic parts attached to the body, wherein, the body is provided with a roughly spherical outer hub, and a plurality of holes are also formed on the body, and the plurality of holes are evenly distributed around an outer surface of the body; and wherein the second magnetic part comprises a closed end and an open end, and a diameter of the closed end is larger than that of the hole; and wherein when the plurality of second magnetic parts are attached to the body, the open end is embedded in the holes, so that the body forms a substantially regular ball.

Abstract: Training balls are presented including: a solid sphere defining a first hemisphere having a first surface and a second hemisphere having a second surface; a tactile feature positioned along the first surface and substantially centered with the first hemisphere, where the tactile feature includes: a center portion having a closed geometric shape; and a continuous grooved border encompassing the center portion; a first grooved feature positioned along the second surface, where the first grooved feature includes a first body segment; a second grooved feature positioned along the second surface, where the second grooved feature includes a second body segment, where the first body segment and the second body segment are substantially parallel, and where the first grooved feature and the second grooved feature are substantially centered with and solely upon the second hemisphere along the second surface.

Abstract: The ball is a thin-walled hollow sphere that includes an array of apertures with dimples in a pattern that are concentric to the aperture array. Dimples are provided on the exterior surface of the ball between the apertures with the pattern and dimensions of the dimples varying based on proximity to the apertures. Internal protuberances are provided on the interior surface of the hollow ball such that the interior surface also manages aerodynamic airflow through the ball. Channels are also provided around each of the apertures within the ball which may intersect proximate dimples or be spaced therefrom. The ball also includes apertures having converging and diverging sidewalls that form a venturi shape to increase inflow air into the apertures and outflow air out of the apertures. Finally, the ball also maintains a weight:diameter ratio within a fixed range.

Abstract: The present invention relates to a ball, in particular a soccer ball, comprising: a shell with a plurality of panels on an outside of the shell, wherein the plurality of panels are arranged in such a way that there is a gap between two adjacent panels, and wherein the gap is at least partly filled with a filling material.

Abstract: A bag for a bag toss game includes a first panel, a second panel opposite the first panel, and at least one gusset panel disposed between the first and second panels. The first and second panels joined to at least a part of the at least one gusset panel, proximate respective peripheral edges, to define an enclosed receptacle, and a fill material sealed within the receptacle. In another aspect, the gusset panel, in a filled condition of the bag, is arranged substantially perpendicular to at least one of the first panel or the second panel.

Abstract: A puzzle box. The puzzle box includes an assemblable puzzle having at least one puzzle piece, and at least one movable element movable between an initial position and a subsequent position. A configuration of the puzzle pieces of the assemblable puzzle provides an inducement for a movement of the movable element into the subsequent position.

Abstract: The present disclosure discloses a rechargeable luminous ball, which includes a ball providing with several cavities; a luminous component including a luminous body, an interior of the luminous body is provided with a battery, the luminous body is provided with a lamp bead and a charge port; and a first cover cap providing with a luminous component fix groove, the luminous component is interference-fit with the luminous component fix groove. Besides, the first cover cap is provided with an opening, the opening is interference-fit with a second cover cap, the charge port is located below the opening; the first cover cap can be detachably connected to the cavity. When the first cover cap is installed in the cavity, the first cover cap is interference-fit with an inner wall of the cavity.

Abstract: A recommended distance provision method for providing a recommended distance in consideration of characteristics of wind by a distance recommendation device for golf is proposed. The method includes calculating a horizontal distance, a vertical distance, and the recommended distance of a shot, which are distances to a target without considering an influence of the wind, on the basis of measurement information including a straight-line distance to the target and an inclination to the target, calculating a horizontal distance correction value for the horizontal distance on the basis of information on a wind direction and a wind speed, calculating an adjusted landing angle for a preset landing angle on the basis of the information on the wind direction and the wind speed, and calculating an additional distance correction value, and calculating a final recommended distance by adding the calculated additional distance correction value and the horizontal distance correction value.

Abstract: A golf tee has a shaft and a top plate. The top plate is mounted on a top of the shaft. The top plate has an up-facing ball-supporting surface. The shaft inclines toward a direction of stroke and is oblique with respect to the ball-supporting surface, so that the shaft and a center line of the ball-supporting surface include an inclination angle therebetween. The top plate further has a plurality of spaced bulges arranged along a rim of the ball-supporting surface. Thereby, the golf tee helps improve hitting accuracy and carry distance.

Abstract: The present invention provides a multifaceted device for installing and removing golf balls, tees and ball markers designed to vary for a golfer's desired ball height. The invention incorporates an electromagnet solenoid which can be turned on and off to retain and release a ball marker. The device is designed to eliminate the otherwise necessity of stooping and bending when engaging in the sport of golf.

Abstract: A sports ball is configured to enhance detection of spin properties by radar. The ball includes a spherical body having a first reflectivity with respect to radiation generated by a radar to be used in detecting spin of the ball. In addition, the ball includes a plurality of markers. Each of the markers has a second reflectivity with respect to the radiation generated by a radar to be used in detecting spin of the ball. The second reflectivity is different from the first reflectivity. The markers are distributed on the ball so that every great circle extending around an exterior surface of the ball is within a distance d of a projection on the exterior surface of the ball of at least one of the markers. The distance d is less than a radius of the ball.

Abstract: A ball body is covered by a plurality of skin members formed integrally of a soft material comprised of resin or rubber as a shaped structure having a front wall portion, a circumferential wall portion and a recess portion altogether. In the recess portion, between the ball body and each skin member, there is formed a hollow portion surrounded by the ball body and the respective skin member and separating the ball body and the front wall portion from each other. As a cushion portion and an air present portion are coexistent in each hollow portion, when a person grips a ball, the cushion portion is collapsed to increase the area of contact between the outer face of the ball and the pulp(s) of the finger(s), thus facilitating the person's gripping of the ball. The readily grippable state of the ball can be maintained for a long period of time.