owen made this using a pingpong ball and cardboard attatched to wooden dowels with tape propelors on top.
Propelors
Owen built this with using cardboard for the base and taped all of the details with some tape.
Solar panel
Rat Boat
I built this using cardboard and tape. I cut out all of the some cradboard and taped it together so you could see the inside of the boat. Rats run in a rat wheel and the power is taken to the power generator.
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