The largest marble track building set from Hubelino contains all the parts for building gigantic marble tracks including the six extensions twister, catapult, cradle parachute, seesaw, switch and marble lift. Due to the large number of different building blocks and running elements, it is possible to build both simple and challenging marble runs, race tracks and tracks, which makes the mega building set an ideal building set for beginners. A detailed illustrated instruction book with three different assembly variants makes it easier to start building and inspires little master builders to come up with their own assembly ideas. Improve spatial awareness and thinking skills The modular and compatible marble runs are designed to stay in place so kids can focus on the fun. They promote spatial intelligence and understanding of fundamental physical concepts such as acceleration and gravity. Whether with an instruction booklet or free play, creating a marble track stimulates working memory and improves analytical thinking skills. And best of all, we build on an existing system to extend life in the nursery. Can be combined with all common marble runs. All 585 parts and components of the Mega Building Box are compatible with common components from other manufacturers and can therefore be creatively combined with your existing building blocks and theme worlds. Like all Hubelino products, the Mega Building Box is produced in Germany according to the highest quality standards. STEAM building set Hubelino's products focus on a balanced relationship between playing fun and learning effect. That is why the learning content is always central when developing new products and smart design makes them toys with educational added value.