Now mass-produced by Mefferts
Caution Cube is a twisty puzzle like Rubik's Cube. Its edges have gears that connect opposite faces. Apply extreme caution when solving this novel twisty puzzle. The razor-sharp gears turn, so you can easily hurt yourself. Wear protective gloves and keep this puzzle away from children. This is not a toy!
Watch the YouTube video
Read at the Shapeways Forum
Read more at the Twisty Puzzles Forum
Please contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.