Welcome to the world of Sleuth & Solve, a collection of 20 clever mysteries where the clues are in the details and crafty twists put your wits ...
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This IQ game is here to make waves! Choose one of the 120 challenges and fill the grid by placing the soft-touch puzzle pieces in the correct locat...
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Delight clever kids and brilliant adults with a brainteaser puzzle that feels SO good to unplug, slow down, and solve. The IQ Puzzler Pro Logic Gam...
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It’s hands-on science with a capital “E”—for engineering. Beginning with the toppling of the Colossus of Rhodes, one of the seven wonders of the an...
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Geometry? No problem! This Big Fat Notebook covers everything you need to know during a year of high school geometry class, breaking down one big ...
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