Add adrenalin to any Quadrilla building set with extra rails, levelers, blocks, accelerators and a high-velocity seesaw.
Adding different pieces can make your marble run faster or slower. See how each piece works.
|Category||Quadrilla Marble Runs|
|Product size||L: 52.5, W: 22.5, H: 8.2cm|
|Product weight||0.3 kg|