Spintronics Power Pack

A2Z Science & Toys Verified independent store

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**Important! The Power Pack requires at least the Act One kit to use it. It requires both Act One and Act Two to complete all of the puzzles.** The Spintronics Power Pack gives you parts to charge your circuits with more power: an additional 6 V battery and two low-value resistors. It also includes a puzzle book with 11 additional puzzles. Show more