Make popsicle stick catapults for kids STEM activities. Explore physics and Newtons Laws of Motion with a simple machine. All you need are craft sticks and rubber bands to build a simple catapult for kids. Hands on STEM activities make learning fun.
How to Build a Strong Catapult. The strength of a catapult could refer either to the sturdiness of the catapult frame and its ability to withstand use, or it could refer to the force with which the catapult launches projectiles.