Drone Home Game and Math Toys The main differential gears have

The main differential gears have been super-sized with large pitch gears that have been designed to withstand huge torques

32-page experiment manual

The youngest builders will love to build with this very colorful magnetic building toy that is sized just right for the small hands and big imaginations

6mm) Servo Weight: 0

Drone Home Game and Math Toys The main differential gears haveRace to launch your aliens down the ramps and land inside the drone! Watch outtheres a delay once you make it in, so others can knock you out! If you stay in and your alien escapes when the drone lifts off, youre one step closer to winning! Get rid of all your aliens first to win! Its fast paced fun for the whole family, and its the first game to include a real, flying drone! Requires batteries, not included. Patent pending.