A large set of chain reaction game, reflection and wooden construction on the theme of music and sounds. Gong and Drin! Children can create the routes following the 3 models indicated in the instructions or always invent new ones. The packages of this game (from 7 years up) are compatible with each other, to create even more ingenious action-reaction routes! Construction game: Dar skill test to arrange the various elements and form a path. Chain reaction game: Children discover the ingenuity and magic of different chain reactions! Reflection game: study the speed that varies according to the weight and evaluate the distances that separate the various elements. A step by step instruction booklet with 3 models to guide children in the path creation. Read the QR code to view the video. Imagine an infinite number of paths for hours and hours of fun! For one or more players. Colorful wood and quality elements. Content: 1 wooden construction game consisting of 52 elements, including 3 metal marbles and 3 in wood. 1 24 page instruction booklet included. Age: 7-99 years. Width Package: 32.5 cm Package height: 24.5 cm Depth Package: 5.5 cm