A vehicle configured to move through a network of interconnected tubes includes a body, a motor, a motorized wheel, a biasing assembly, and a first element. The motorized wheel directly engages an inner surface of the tubes. The biasing assembly causes the motorized wheel to maintain continuous contact with the inner surface of the tubes during operation. A waist of the vehicle is constrained by an inner diameter (D) of the curved tube, a radius of curvature (R) of the curved tube, and a length (L) of the wheelbase of the vehicle. The waist of the body is sized such that the vehicle can freely move within any of the tubes without getting stuck therein.

A 3-dimensional high-speed track car toy comprises a track body and a toy car. Straight tracks, curved tracks, centripetal tracks and centrifugal tracks are assembled to form a 3-dimensional closed track. The track body stands on the ground fixedly through support rods and support seats. The track body is paved with a track along which the toy car runs. Components of the track body have fastener-containing groove structures to fix an iron axis onto the track. The toy car is placed on the track body. The track is equipped with an iron axis. The bottom of the toy car is equipped with magnets. Thereby, a sufficient attractive force is generated to overcome gravity of the toy car. Therefore, the toy car can run on the track disposed on a ceiling or a vertical wall. Thus, the user can enjoy more amusement from playing the present invention.

A portable, lightweight racer vehicle. The racer includes a body, a motor and a battery powering the motor, a motorized wheel, a first wheel, and a spring-loaded wheel to cause the motorized wheel to maintain contact with a surface upon which the motorized wheel rotates. The first wheel is larger than the motorized wheel and the spring-loaded wheel. A tube section includes a first half section having a pair of interlocking fingers and a pair of notches; and a second half section having a pair of interlocking fingers and a pair of notches. The two halves are removably snap-fit or press-fit together by joining the pair of interlocking fingers of the first half section with the pair of notches of the second half section while simultaneously joining the pair of interlocking fingers of the second half section with the pair of notches of the first half section. A splitter pipe includes a body having an input port and at least two output ports, and a remotely controlled valve between the input port and the at least two output ports. The splitter pipe is non-opaque, and an inner diameter of the input port does not exceed 2 inches.

A vehicle configured to move through a network of interconnected tubes includes a body, a motor, a motorized wheel, a biasing assembly, and a first element. The motorized wheel directly engages an inner surface of the tubes. The biasing assembly causes the motorized wheel to maintain continuous contact with the inner surface of the tubes during operation. A waist of the vehicle is constrained by an inner diameter (D) of the curved tube, a radius of curvature (R) of the curved tube, and a length (L) of the wheelbase of the vehicle. The waist of the body is sized such that the vehicle can freely move within any of the tubes without getting stuck therein.

Provided are a versatile track block for creating a track that is capable of securing a more dynamic range of motion for toy mobile object, rather than merely a toy block moved around by hand, and a track plan in which the order of colors or patterns of blocks on the track is recorded as a program. Projecting parts 100, 100 and recessed parts 101, 101 capable of mating with the projecting parts 100 are provided clockwise around the four sides of a block 1. A step part 16 is formed on the upper face of the block 1, and a magnetic plate 2 is set into this step part 16. A track can be created using a plurality of blocks 1 of this sort. In addition, blocks 6 comprising curved magnetic plates 24 and the like can be used to create a three-dimensional track that can be traveled in three dimensions.