Quercetti Xylopipes building kit Construct a real xylophone by connecting colored tubes. The sound changes depending on the length and shape the child chooses for the pipes. Xylopipeshas open tubes that act as resonators, which amplify the sounds. The pitch of the notes can be varied by adjusting length and shape, using the 40 pieces included. The different sounds are made by hitting the open pipes with the supplied sticks. An original and creative way to introduce children to the world of music. Specifications Color: multicolor Gender: junior Material: plastic Package dimensions: 15 x 18 x 9 cm Age: from 3 years old Content: 1 Xylophone (basic) 2 Bars 37 Pipes (coloured)