BUILDING BLOCKS BALL TRACK 2520 PIECES The Ball Track construction kit is an advanced engineering model that will delight all enthusiasts of mechanics, construction and logical thinking. Consisting of as many as 2520 precision-made elements, the set allows you to create an impressive ball track with a realistic, dynamic transport mechanism. Thanks to the integrated power supply system consisting of a motor and a control module, the balls move automatically in a programmed cycle, creating a fascinating spectacle of movement and technology. The model is built of high-quality ABS plastic, which ensures exceptional durability and stability of the entire structure. Each element has been designed with attention to detail so that the user can fully focus on assembling and observing the operation of the finished system. It is not only a toy, but also a developing educational tool that will be perfect for learning patience, precision and analytical thinking skills. An ideal proposition for both older children and adult constructors. SPECIFICATION: Number of pieces: 2520 Material: High quality ABS plastic Motor power supply: 4 x 1.5V AA (not included) Control module power supply: 2 x 1.5V AA (not included) Dimensions of the folded model: 97.5 x 35.5 x 23 cm Package dimensions: 44 x 30 x 10.5 cm Features: Automatic ball transport, mechanical arms, integrated control system