Dynamics on a small scale; ideal for bench top investigations with multiple groups. The kit contains 5 ramps, 5 stands, 5 blocks, 5 cars and a pack of 5 different surfaces. The ramps are 650 x 60mm and the ingenious stands give simple height adjustment from zero to 250mm in 10 steps. The blocks have a central pin to take slotted masses for varying the load. Use for investigations into motion and friction. Replacement surfaces are also available, as a pack of 5 assorted surfaces.