With no fixed assembly required, let your little one's imagination run free with the Crazy Rollers Stack Track that allows for countless different configurations to be created. Hape's marble run sets are all compatible and can be connected together to create larger incredible runs! This do-it-yourself marble block set features all the thrills of marble speed racing with its unique configurations. Includes blocks, tracks, marbles, and everything needed to create this fun track. Roll your marbles down a compelling host of surprising tricks and twists, this fantastic playset includes a ringing bell, a spiral funnel, a marble tray, and 12 dominoes for your marbles to pass-through. The marble race track provides a fun way of introducing children to physics principles such as potential energy, momentum, and gravity. Building the towers and tracks will improve your child's hand-eye coordination, logical thinking skills, problem–solving abilities, and inspires creativity. The child-safe paint finish and sturdy wood construction make this a long-lasting toy your child will love for years to come. Hape marble run is not compatible with Quadrilla Marble Run Ages 3 and up
