Stop Drop Gravity Transporter


Learn the fundamentals of Gravity and Pulley Mechanism through play!

Smartivity Stop Drop Gravity Transporter STEM Educational Construction Activity toy is designed to introduce 8+ year olds to the fundamentals of simple machines and the chain-pulley mechanism.

Through building this awesome game, children also learn about gravity and weight, and how the force of gravity affects motion.

Smartivity Stop Drop Gravity Transporter consists of a pulley-mechanism, a cart and track section with dispensing holes and collectors for marbles. As children place or remove marbles, the speed with which the cart moves along the track changes.

Children can challenge each other to deposit marbles in a particular collector. This task can be accomplished only at a particular speed of the cart. Children have to analyse and decide what particular weight will result in the right speed of the trolley’s movement.

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