Pendulum Investigation Kit, includes everything necessary for a full exploration of the basic features of pendulum motion. Students can assess the principal factors of mass, length, and amplitude and even venture into a consideration of air resistance
PineCAR Racer Basic Car Kit (scouting car), includes wood block, wheels, hubcaps, two lead-free one-piece axles and four lead-free nail-type axles. Wheels and axles should be the same on all cars in a race. Block dimensions - 1 3/4in w x 7in l (4.44 cm x 17.7 cm)
List View
Easy View (new)
