Master Theorem Book Of Puzzles

Whether it’s for you, a friend, or a family member the Master Theorem will put anyone’s problem solving skills to the test. The Master Theorem features over 40 “escape room” style puzzles tht are beautifully illustrated. From decrypting messages to brain-teasers problem solvers will love this book.

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$29.99

Engage in medieval combat with a build your own ballista kit! This Miniature Ballista will be the hit of your classroom or office.…

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$23.83

When you’re at the club it’s important to be quick on the draw with a lighter. Well now you can have it on…

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$29.99