Robotime - Marble Run; Marble Night City ASC90041 This "must have" for carpet

This "must have" for carpet and cool weather racing allows the use of softer

Battery Tray and Transmission Parts Tree: GOM

The ESC is programmed with the use of jumpers to select one of three settings:

a 9kg Metal Geared Steering Servo

Robotime - Marble Run; Marble Night City ASC90041 This "must have" for carpetThis marble run product combines the beauty of science and machines with many small gadgets. It is assembly kit 3D wooden puzzle with ball towers and track race balls. Build the set and crank the handle. Watch marbles run down the crazy slopes and twisting turns. The is puzzle is put together using innovative and clever wooden assemblies and transparent acrylic. With a funnel shaped track, the total track length is extended to 2. 5 meters. Crank the