Thames & Kosmos Roller Coaster Engineering teens Perfect for anyone who loves

Perfect for anyone who loves to have a good time

history buffs

logical elimination and math skills

Contents 5 scratch-off designs (21 x 28 cm)

endlessly expandable marble run universe

Thames & Kosmos Roller Coaster Engineering teens Perfect for anyone who lovesBuild 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