Digital High-Torque HS-5645MG: Universal LEGO slide the side door open

slide the side door open

Build unique robots that are powered by the sun — batteries not required

Experiment with storing energy and converting energy by constructing models of a rocket car and a skee-ball mini golf ramp

Lippitt Morgan Champion Weathermont Ethan

The solar panels are positionable

Digital High-Torque HS-5645MG: Universal LEGO slide the side door openFeatures Back to Top ^ Programmable Digital Circuit Custom MP metal gear train technology Perfect for larger airplanes and helicopters Metal Horn Included Overview Back to Top ^ The digital version of our popular 645 is the HS 5645MG, featuring a programmable digital circuit and our custom MP metal gear train technology. Perfect for larger airplanes and helis, the HS 5645MG will deliver higher resolution and torque than its analog brother.