Hubelino marble track construction kit The steel marble shoots at a high speed to the finish of the marble track, even through construction stones. Cleverly use the openings in the construction blocks as part of the marble track through which the marble can roll. If you position the construction elements correctly, create a compact, yet well-designed marble track. With the four guns children learn about magnetism. With this construction you literally take the marble track to a higher level. The set includes various tips & tricks, so you can have hours of fun on this marble track Specifications: Gender: junior Colour: black, yellow Material: plastic Age: from 4 years Contents: 84 Track elements 144 Building Blocks 2 Base plate 12 Steel marbles 4 Cannons