The Hubelino marble run quickly brings adventure and learning fun to the nursery. With this set, the range of building blocks is usefully expanded with an additional 120 track elements and marbles. Now even bigger marble runs can be built. With this addition, the possibilities of the marble run can be developed individually and even more creatively. Due to a large amount of elements and building blocks in various shapes, colors and sizes, there are endless combination possibilities, from simple constructions to complex scaffolding, all of which give immense pleasure. Children develop in a playful way in this way. The little master builder becomes familiar with gravity and acceleration, improves their motor skills, their creativity and their logical thinking. The Hubelino block system is 100% compatible with building blocks from other manufacturers. They do not wobble, do not slip or fall over. To ensure that the marble always rolls safely into the target, we at Hubelino pay attention to good design, accuracy and quality. All Hubelino products are responsibly manufactured in Germany from high-quality ABS plastic, comply with European EN71 standards for children's toys and carry Bureau Veritas' CE mark for product safety. - 100% compatible with LEGO DUPLO building blocks