This sophisticated kit lets you build a complex marble run mechanism with a motor drive step by step. During construction you will naturally explore the principles of gearing, power transmission, and mechanics, and thanks to the clear instructions, older children, teens, and adult enthusiasts will all enjoy the build.
The finished model is stable, runs smoothly even with intensive use, and looks great on a shelf or desk. High-quality ABS material and well-designed parts ensure precise connections and a durable structure.
