A whirling helicopter with spinning rotors sits on the rescue boat's back deck

Children can play with the three cars

Ages 1 and up

Although there aren’t many ballet schools that will accept a girl like Sylvia in the 1950s

Simple Machines Huskies A whirling helicopter with spinningLearn the fundamentals of mechanical physics by building and testing all six classic simple machineswheels and axles, levers, pulleys, inclined planes, screws, and wedgesplus gears. This hands on kit includes 26 model building exercises that progress from basic to complex, a spring scale to measure forces, and a 32 page full color guide with real world examples. Durable, modular pieces assemble and disassemble repeatedly, letting you experiment