An intriguing and fascinating construction set. Children can create small simple marble runs or more complex structures with the colourful slot-together plastic pieces. The marbles will disappear inside the columns roll down the chutes through the paddle wheel and around the roundabout. Building a variety of challenging marble run structures will provide many hours of fun. Contents: 9 chutes 9 curves 24 tubes 6 bases snake pass rotary drop paddle wheel roundabout 8 marbles and colour guide.Develops cognitive and motor skillsEncourages problem solvingGreat for supporting trajectory schemaAge Suitability: 3 Years +