Smithsonian Perpetual Motion Machine Sensory Wolfi is here to offer

Wolfi is here to offer comfort and companionship

this earth-toned glass mug brings archaeology and linguistics into your everyday routine

highlighting natural crystal formation

Embrace the joy of virtual pet care and let CompuKitty be your pocket-sized companion

and ancient sequoias

Smithsonian Perpetual Motion Machine Sensory Wolfi is here to offerBuild 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