Get this awesome Marble Racetrax expansion pack now! Build the ultimate Marble Racetrax run and race with this unique set. This is an expansion kit for all Marble Racetrax marble tracks. It allows you to make your racetrack even more fun. There are 16 sturdy cardboard sheets in this kit to create even cooler marble tracks. Let your imagination run wild as you create cool stunts and obstacles! Choose one of the five coloured marbles and let the race begin. Our wide and spectacular tracks with different routes and stunts give you the chance to overtake and win. Marble Racetrax’s marble tracks are made of 100% cardboard and combine family fun, creativity, challenge, excitement and… sustainability! Build the cardboard Racetrax as per the given instructions, or create your own design with the modular building system.