The trolley consists of a (2) of rectangular wooden trolleys with (300)mm approx. Long carried upon three low-fraction plastic wheels and a spring loaded rod to give impulse, supplied as acomplete set with springes, spring holders, (1.5)m track ( runway), elastic cord with eyelets, (6) wheel as spare and all accessories.
A Pair of these trolleys are used for investigation on momentum velocity acceleration etc. Both the trolleys are indentical and each consists of a two rectangular wooden blocks 300mm long moving on three low friction wheels. The trolley is fitted with spring loaded” impulse rod. Rod has three positions to provide different impulses which is triggered by a release pin, in the front of each trolley two holes are drilled and fitted with corks. With removeable metal pins at each end to enable trolleys to be stacked or to provide anchoring pints for accelerating cords.