Get closer to the Quadrilla action with three gutters that make your marbles race around the outside of the coloured blocks on their way to the bottom. Looks cool and extends run-time. Start by building one of the layouts pictured on the box. Watch your marbles navigate the blocks, spiral gutters, spiral twist and other features as they race down to the catcher. Now use your imagination to build your own fantastic marble runs!

Includes 14 distributor blocks, 3 curve rails, a straight rail, a spiral twist, 8 height adjusters, 4 stabilizer rings, 6 accelerators, 2 hole shutters, 50 marbles, 2 small and one large spiral gutters, and one catcher.