InfiniTrax 360 Sprint Micro R/C Modular Race Track Modular track pieces. Combine them to create many track variations. Durable high-quality foam and plastic construction. Easy assembly. Pieces fit together with simple interlocking features. Micro-RC scale. Designed for 1:64 or below. 8" x 8" piece size. Contains: 4X corner, 1x straight, 4x short straight, 1x start/finish