invention A fully operational bicycle with square wheels Rusty Blazenhoff

art Huge whirlygig crown powered by the wind and its wearer's movements Popkin

creativity Watch: Inventor creating skates from kids' bikes Rusty Blazenhoff

pop culture Giant book on a toy biz giant Bob Knetzger

Weird 1936 device claimed to create dimples in users Popkin

Funny Joseph made a conveyor-belt machine that feeds users a 5 course meal Popkin

Science Stamp licking machine powered by tears produced from cutting an onion Popkin

Funny Ingenious toothbrushing contraption that uses a pendulum clock helmet Popkin

Coffee Bodum coffee grinder handle hack Kevin Reome

halloween Guy makes spooky zip line for distanced trick-or-treating this Halloween Rusty Blazenhoff

video games Inventor brings Mario Kart to real life with HoloLens AR technology Rusty Blazenhoff

invention Vehicle outfitted with "shoes" to avoid crushing Christmas Island crabs Rusty Blazenhoff

invention A cereal bowl that amplifies the "snap, crackle, and pop" of your Rice Krispies Rusty Blazenhoff

Real things that actually exist This cereal sippy cup mixes in the milk as you drink it Rusty Blazenhoff

Kids This "Noggle" tube redirects A/C to your backseat passengers Rusty Blazenhoff

invention One Foot Taller Periscope glasses Rusty Blazenhoff

invention Gadget solves first-world peanut butter problems Rusty Blazenhoff

eggs An overengineered invention to crack open eggs Rusty Blazenhoff

invention Fancy high-tech water gun isn't for child's play Rusty Blazenhoff

motorcycle Jet ski motorcycle Rusty Blazenhoff