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Electronic Flapping Butterfly

2.0K Views, 9 Favorites

Magnetic Spinning Desk Toy

7.8K Views, 110 Favorites

A Spigot That Streams Digits of Pi

11K Views, 78 Favorites

John Conway Doomsday Device

3.6K Views, 18 Favorites

Improvised Lightweight Desk Extension

941 Views, 2 Favorites

Cardboard Ratchet Mechanism

9.9K Views, 59 Favorites

Reusing Old LED Christmas Decorations by Remixing Them

532 Views, 3 Favorites

Mathematical Magical Emoji Cards

1.7K Views, 12 Favorites

Elusive Pumpkin Ghost Decoration

1.4K Views, 2 Favorites