Dynamics Track Kit - Trolleys Weights IncludedThis complete Dynamics Track Kit is designed for investigating linear motion, velocity, and energy conservation in the science lab. The kit includes a 1200mm track with adjustable feet and multiple accessories to enable frictionless trolley motion, timed tests, and collision studies. Featuring both elastic (spring bumper) and inelastic (Velcro bumper) options, this hands on set encourages students to explore core physical science concepts in an