Bicycle Powered Treehouse Elevator
hat tip Make:
Machine
LEGO: Automatic Beam Sorter
hat tip Make:
Cookie Machine
Marble Machine Clock
The Almost Useless Machine
hat tip Adafruit Industries
K'Nex Skeeball Machine
hat tip Make:
LEGO: Turing Machine
hat tip Wired
Exhaler V
hat tip Automata / Automaton Blog
Mechanical Flip Book
hat tip Adafruit Industries
Bubble Blowing Machine
hat tip Automata / Automaton Blog
