Marble-run with control blocks and two-sided spiral twists
The knob and button on the distributor block can be used to change marble direction
The different colored see-saws send marbles in different directions
Endless possibilities for reconfiguring the layout
Suitable for children over 4 years
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-sided spiral twists, plus four special control blocks to randomly distribute marbles.