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Spintronic Junction

Overview Spintronic junctions allow the current to branch, just like an electrical junction of three...

Epic Bundle

Epic Bundle - Our complete set of games will engage and delight players... and teach them to think i...

Extra Roads

These extra roads let you extend your Bridge or Bust builds, keeping the roadway going as long as po...

Extra Wood Beams

These extra wooden parts provide more beams and supports for extending, repairing, or experimenting ...

Extra Marbles

Extra Marbles from Upper Story is a spare marble pack designed to keep your set in play if a marble ...

Spintronics Power Pack

**Important! The Power Pack requires at least the Act One kit to use it. It requires both Act One an...

Turing Tumble Marble Reloader

This tool makes it easy to pick up marbles from the bottom of the board and reload them back on top…...

Sailboat

This replacement Sailboat is an extra part for the Bridge or Bust build, made to get your model back...

Turing Tumble

Turing Tumble is a new type of game where players (ages 8 to adult) build mechanical computers power...

Punchboard Sheet

This replacement punchboard sheet provides fresh, pre-cut components so you can continue building an...

Turing Tumble Parts Mega-Pack

The Turing Tumble Parts Mega-Pack from Upper Story gives you extra parts to build levels of your own...

Spintronics Educator Station Bundle

Educator Station Bundle  - 5 Spintronics Act One games to outfit your small group with everythi...