CubeBoy pullback car

CubeBoy pullback car. Use a commercially available pull-back car spring.Tire diameter corresponds to 14 mm or less. The shape is modeled after “Stack-chan”.If you're curious about “Stack-chan”, please be sure to search for it.“Stack-chan” is a super kawaii (cute) robot with a built-in microcontroller developed by “Shishikawa-san”.