Race cars down ramps, build their own roller coasters, watch balloon rockets zoom by and more…and get an exciting look at force and motion in action! Our all-in-one tub includes 8 different experiment cards with involving activities based on national science standards. Plus, you get tons of materials to complete each experiment and explore concepts in depth—from ramps, carts, measuring tape and a stopwatch to handy vocabulary cards and full-color charts that make concepts easy to grasp!