Quercetti tubation maze marble run Build your own marble run with this set from Quercetti. Follow the examples from the instruction book or let your imagination do the work. The marble run has curves and straight sections, making it extra fun to follow the marble as it rolls across the track. The parts are transparent, so you can see exactly where the marble is. Specifications: Color: multicolor Gender: junior Package dimensions: 40 x 32 x 7 cm Material: plastic Packaging language: Italian, English, French, German, Spanish, Portuguese Play language: all languages ​​Age: 4-9 Quercetti code: 4168 Contents: 16 Curves 16 Straight sections 2 Crossings 2 T-junctions 6 Marbles 1 Instruction book