Robotime Rokr Cruiser Motorcycle DIY Wooden Model Kit – 420 pcsOverview: Experience the thrill of assembling the Robotime Rokr Cruiser Motorcycle a DIY wooden model with 420 pieces. Inspired by the classic 1920s cruiser motorcycles, this retro style model features a clockwork drive system and a kickstand brake. Simply twist the spring, and watch as the motorcycle moves up to 10 feet with its pistons in motion. This engaging 5 hour assembly is an excellent way to improve hand eye coordination and problem solving