Marble Runs

Get started building your own marble runs with this Quadrilla beginner's set. Drop two marbles into the top and watch as they race down different p...

Get closer to the Quadrilla action with three gutters that make your marbles race around the outside of the colored blocks on their way to the bott...

Add the dimension of sound to your Quadrilla runs with a xylophone rail that plays a musical scale as marbles race over it. Contains 13 pieces Rec...

Music Motion turns up the volume on classic Quadrilla marble runs by combining strategically-placed musical chimes with wooden rails and blocks. C...

Get twice the spinning out of your Quadrilla set with this amazing double-sided spiral twist. Both the concave and convex sides feature spiraling t...

Xcellerator combines speed and spin. A spiraling funnel, a mix of straight and curved rails, and 10 accelerators challenge Quadrilla builders in ne...

Boost the versatility– and fun – of your Quadrilla sets with this four-block pack. Includes an adjustable distributor block where you choose the m...