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Klutz LEGO Chain Reactions Science Kit

With the stuff in this kit and a pile of your own ordinary LEGO bricks, you can build Ten awesome machines that can be combined to make dozens of different chain reactions that use many steps to do. ..a whole lot of nothing (or maybe something vaguely useful).

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Specs

Ages
Ages 8-15
Dimensions
9" x 1.25" x 10"
Other
Includes 33 LEGO Elements, 6 LEGO balls, 2.2 yards of string, 8 paper ramps, 2 paper pop-up signs, 1 paper funnel, 1 paper flag, and 1 paper bucket