Smithsonian Perpetual Motion Machine Plush This science-inspired tee brings the

This science-inspired tee brings the excitement of paleontology to everyday wear

Dishwasher safe for easy cleaning and regular use

Expertly crafted from research-grade polyresin and hand-painted

Standard 54‑card set with detailed moon imagery that makes each card a little lesson in lunar science

Finished with an iridescent layer that highlights the stone’s structure and makes it visually striking from multiple angles

Smithsonian Perpetual Motion Machine Plush This science-inspired tee brings theBuild 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 didnt work. Learn about magnets and the First and Second Laws of Thermodynamics. Understand how batteries create the magnetic force to keep the machine