Ball launcher, fun accessory transforms your Dash Robot into a projectile-launching machine. Because it's powered by Dash, kids can learn how simple machines like a lever works in a fun way. Comes with 3 projectiles and 6 stacking targets that can attach to LEGO-compatible bricks
Garage Physics Ballista Kit, Explore torsion springs, forces, energy transformation, mechanical advantage, and projectile motion in this fully-functional ballista, Contains ballista and ping pong ball, Press fit assembly, Comes with a educational guide