High-Tech Electromagnetic Coil Accelerator STEM Toy & Physics Experiment Kit

Ring Accelerator 6-Coil Version Unassembled Magnet Scientific Experiment Toy Kit

Ring Accelerator 4-Coil Version Magnet Scientific Experiment High-Tech Toy Kit

Eisco Labs Spring Loaded Projectile Launcher Kit for the Study of Kinematics -

Solar Magnetic Levitation DIY Perpetual Motion Machine Creative Ornaments

Ring Accelerator 4-Coil Magnet Scientific Experiment Creative High-Tech Toy Kit

Ballistic Pendulum Kit - (No Base) - Visual Scientifics by Eisco

Eisco Labs Hero's Engine - Eolipile - 10" Tall