A new exciting add-on set with a marble storage unit and switch that regulates the speed of several marbles. An essential item for the Quadrilla Marble Run enthusiast! Note: this set cannot work independently. Please refer to the instruction book included in the set for some tricks about the different construction layouts. Please also log on www.quadrilla.com for additional information on how to combine it with other components. After inserting marbles into the marble storage unit; a simple switch will trigger the flow of marbles to the rails below. The marbles will move one by one at a constant rate. A wonderful new accessory that adds new possibilities to Quadrilla Marble Runs while learning simple mechanics.

• One orange marble storage
• two 4-hole rails
• one switch
• one yellow block
• one blue block
• two turquoise blocks
• one-hole accelerator
• one-slot accelerator.