The Challenger

Create endless Quadrilla marble runs with this challenging set of straight and curved rails, high-velocity funnels, a seesaw, accelerators, blocks, levellers, bases and 50 marbles. Adding different pieces can make your marble run faster or slower, see what you can think of next.

Details :

• 33 Coloured Blocks
• 20 Height Adjusters
• 10 Base Rings
• 5 Marble Stops
• 15 Accelerators
• 2 Straight Rails
• 1 Seesaw
• 2 Twists
• 8 Curves Rails
• 50 Marbles
• 1 Cotton Bag