Traxxas Spur Gear Steel 54-Tooth (0.8 Metric Pitch Compatible) Goggles Perhaps there are some children

Perhaps there are some children in your life who would be delighted to help build this model and watch the marbles loop-the-loop

Everything you need for this fun DIY project comes right in the box

the rotating base of the arched tower is a part of the screw conveyor mechanism that is a chief part of the model's mechanism

The unique "Autotune" function allows the decoder to be automatically measured against the motor

The efficient BL-2s delivers all-day fun and endless torque for 4-wheel burnouts and ultra-responsive acceleration

Traxxas Spur Gear Steel 54-Tooth (0.8 Metric Pitch Compatible) Goggles Perhaps there are some childrenTraxxas Spur Gear Steel 54 Tooth (0. 8 Metric Pitch Compatible) TRX3956X