A Rube Goldberg Machine from a Treadle sewing Machine
when it quit working I’d say, “can you figure out what’s wrong?”
Recycled Builder Boards
Here is a small house made from recycled plywood
Puzzles: Lucas and the engine puzzle plus the faucet, the door lock, and the flashlight
Mechanical puzzles: The Faucet, the Lock and the Lawn mower engine and more.