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This extra marble pack keeps the fun flowing
It requires both Act One and Act Two to complete all of the puzzles
A physical copy of our Spintronics Act Two Puzzle book
Spintronic resistors resist the flow of current
The plans come with all of the spintronic parts CAD files (in stl and stp) as well as a PDF of the puzzle books (Act One
Extra Marbles Coming soon This extra marble pack keepsThis extra marble pack keeps the fun flowing, should a marble or two roll away.
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