Abstract: A bell device is mounted on a vehicle handle, and includes a mounting seat and a sound-generating unit. The mounting seat includes a sleeve portion sleeved fixedly on the vehicle handle, and a pivot portion connected fixedly to the sleeve portion. The sound-generating unit includes a rotatable body disposed rotatably on the mounting seat, a bell body disposed on an assembly of the pivot portion and the rotatable body, a knocking hammer disposed in proximity to the bell body, and a resilient member interconnecting the knocking hammer and the rotatable body. The knocking hammer is operable to strike against the bell body to thereby generate a bell sound. The sound-generating unit further includes a whistle member disposed within the knocking hammer. Preferably, the rotatable body of the sound-generating unit is connected removably to the mounting seat.

Abstract: A skateboard includes a board member, a front roller, a rear roller, a pair of left and right intermediate rollers disposed between the front and rear rollers, and a driving unit for driving the left and right intermediate rollers. A control unit is operable among a first mode, in which the driving unit is activated to drive the left and right intermediate rollers, a second mode, in which the driving unit is deactivated, a third mode, in which the driving unit is activated to drive one of the left and right intermediate rollers, and a fourth mode, in which the driving unit is activated to drive the other one of the left and right intermediate rollers.

Abstract: A skateboard includes a board member, a front roller, a rear roller, a pair of left and right intermediate rollers disposed between the front and rear rollers, and a driving unit for driving the left and right intermediate rollers. A control unit is operable among a first mode, in which the driving unit is activated to drive the left and right intermediate rollers, a second mode, in which the driving unit is deactivated, a third mode, in which the driving unit is activated to drive one of the left and right intermediate rollers, and a fourth mode, in which the driving unit is activated to drive the other one of the left and right intermediate rollers.

Abstract: A cigarette package includes a cigarette box with an outer wall surface, and a matchbook attached to the outer wall surface of the cigarette box. The matchbook includes a matchbook cover having an inner cover part with an inner cover surface, and an outer cover part connected to the inner cover part and having an inner cover surface. At least one match is disposed between the inner and outer cover parts, is connected to and is capable of being torn apart from the matchbook cover, and has a head end coated with an ignitable material. A first abrasive strip is provided on the inner cover surface of the inner cover part. A second abrasive strip is provided on the inner cover surface of the outer cover part. The head end of the match can be ignited when rubbed against the first and second abrasive strips.