Roller Coaster Engineering tenzi the player who has their

the player who has their colored stacking piece on the top of the stack scores for that card

Inspired by magical adventures in Barbie Mermaid Power™

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Weave them under tables and over desks

Roller Coaster Engineering tenzi the player who has theirBuild and experiment with dozens of roller coaster models to make learning the physics of force, motion, and energy as fun as a day at the amusement park. Conduct an action packed series of hands on physics and engineering lessons with an easy, modular building system. Piece together the sturdy frame structures and then attach the flexible track to it to build and test endless roller coaster designs. Experiment by varying the weight of the cars and