Perpetual Motion Machine (Smithsonian) filterable-color-forest This amethyst-tinted

This amethyst-tinted

Step out in these frames and step into the spotlight

tried and true

) This wallet’s slim

A vibrant bag upcycled from a unique rug design with fringes on both sides that add to the artsy element

Perpetual Motion Machine (Smithsonian) filterable-color-forest This amethyst-tintedBuild a Perpetual Motion Machine powered by an invisible magnetic field! Ever wonder why scientists, engineers, and mathematicians have never been able to create such a machine without an external energy source like batteries? Explore different kinds of motion machines and understand why they didn't work. Learn about magnets and the First and Second Laws of Thermodynamics. Understand how batteries create the magnetic force to keep the machine