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Game your way through the holiday countdown with an inventive calendar that tasks techies with building a new electronic challenge every day.

Advent calendars aren’t just for chocolate anymore. Delight your favorite techie (and help them learn the basics of building circuit boards) with an inventive holiday countdown that tasks them with building a new electronic challenge every day, complete with diagram instructions. The complexity increases with each door opened, and includes a variety of games, like code cracker, wire maze, slot machine, roulette, and more.