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This deluxe set lets builders dive head first into everyone's favorite awe-inspiring amusement park rides. Kids will discover how a gear's diameter affects force and speed, how to calculate gear ratio and how to use gears to change the direction and plane of motion through constructing a Ferris wheel, London Eye, merry-go-round and more, each able to be powered in turn by a geared motor. Set includes 1,395 pieces, one motor and easy-to-follow building instructions for all models either online or in the booklet included, along with detailed explanations of the different scientific principles applied and additional experimental activities for hands-on learning. Motor uses two AAA batteries (sold separately).
