How to Build a Popsicle Stick Catapult - Simple STEM Project for Kids #47729 (License: Personal Use)

This handcrafted catapult features a cross-shaped base of stacked popsicle sticks secured with bright orange rubber bands, with a long launching arm ending in a bottle cap cup. The tension-based mechanism demonstrates basic physics principles like potential and kinetic energy, making it ideal for educational demonstrations or backyard fun. Its simple construction allows for easy customization and experimentation with launch angles and power.

Used in educational settings (classrooms, homeschooling, science fairs) and DIY craft blogs to illustrate simple machine concepts, engineering design, and physics fundamentals. Matches user intent for “easy STEM projects for kids,” “homemade catapult instructions,” or “science fair ideas.”