Marble Squad, by ROKR
Build your own working roller coaster model made of real wood. The coaster is full of dips and turns with lots of engineering and physics thrown in.
With the crank of the handle, fire up the gears and watch as the waterwheel coaster carries the marbles up to the top and releases them down the track.This gives you the opportunity to explain gravity, gears, designs, machines, engines and many other concepts.
All parts made from precision laser cut, non-toxic birch plywood. Easy to remove the press-out parts.
All required tools and parts needed to make this kit are included. Easy to follow, detailed instructions also included.
Assembled product size: 25.2 x 23 x 16.5 cm
Not a toy. Not suitable for children under 5, contains small parts.
Shipping just £1.50. Paypal accepted, no new customer registration necessary.