Bundle of games brain teasers, Noggin workshop the ultimate brain challenge, Double tangrams, Periodyx
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THE ULIMATE BRAIN CHALLENGE The Ultimate Brain Challenge will cause you to muster all your mental dexterity to solve these riddles, brainteasers and conundrums. DOUBLE TANGRAMS Exercise is the key to staying fit, so give your brain a workout with these visual brainteasers. Each game contains 100 riddles to bend your mind in new ways. PERIODYX The periodyx game is fun, but the superstars of this game are the 118 element cards. The more you play the more you will know, and the more you will appreciate and enjoy the periodic table of chemical elements.