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
Introduction, coding and robotics, For grades 3, 4 and 5. Includes access to download standards based curriculum with worksheets, rubrics, and more. 200 parts - including software and control unit.Packed in plastic Gratnells storage box.