Marble Runs

The Ultimate is the largest Quadrilla set. Two spiraling funnels, 12 curved rails, and 10 power-boosting accelerators inspire builders to design th...

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...

Get more spinning and more surprises with this deluxe Quadrilla set. Includes a xylophone rail that plays a tune as marbles run over it, two double...

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...

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...

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