Assemble the labyrinth, then activate the different parts to set the marble on the right path so it doesn't fall! Put the two modules where ever you want the marble to set off sound and light! The marble lift is 60 cm high with 2 playing speeds. Included : 60 cm high lift, + tha, 70 pieces, 2 sound and light modules, 10 marbles, 1 instruction sheet in colour. The colors and content may slightly vary. Requires 4 LR44 battery, included, and 3 LR06 batteries non-included.