mario A real-life Mario Kart course made with Lego cars Popkin

inventions Watch this Rube Goldberg-eque dish-cleaning contraption (video) Popkin

hacks This 10-second gift wrapping hack is for people who just want to get it over with Rusty Blazenhoff

rube goldberg This is a seriously complicated way to 'pass the wine' Rusty Blazenhoff

rube goldberg Rube Goldberg alert: 'World's Longest Trick Shot Machine' Rusty Blazenhoff

rube goldberg The 'Terrifying Automatic Hair Cutter' Rusty Blazenhoff

cake A complex Rube Goldberg machine that serves cake Rusty Blazenhoff

video Sleepy genius creates ultimate phone-tormenting alarm system Popkin

Funny Joseph's Machines turns bathtime into a human car wash Popkin

snails These sneaky snails by Joseph's Machines are so satisfying to watch Popkin

organization Machine tidies your room instantly Popkin

inventions Joseph's Machines: A funky contraption made of paint rollers that will steep and wring out your tea Popkin

alarm clocks Funny alarm clock that pours water on sleeper by Joseph's Machines Popkin

Science How to compress trash the Joseph's Machines way Popkin

Cooking Watch this wonderful Rube Goldberg machine make a pizza pie David Pescovitz

humor A useless machine that wraps gifts in 10 seconds Rusty Blazenhoff

Potpourri: the $63,000 machine that transforms pot plants into concentrates. Michelle Goodman