With Professor Kortenkamp's learning blocks, primary school students can build real number pyramids, which they previously only knew on paper in their textbooks. It is a simple principle: the numbers of two blocks next to each other add up to the number on the block above it. Number pyramids have proven to be a productive task in primary school math lessons. Professor Kortenkamp's unique learning blocks give a new dimension to this proven learning concept, they give children the opportunity to build number pyramids themselves instead of filling in blanks on paper. When used interactively, addition and subtraction can be practiced in a playful way. The different colors of the blocks make it easy to experience, discover and explore mathematical relationships and calculation rules. The research tasks and practice materials in the textbook provide a variety of ideas for dealing with number pyramids, provide insight into mathematical phenomena and also promote process-related skills such as discovering, explaining, inventing, investigating, arguing and communicating. Whether in the classroom or for homeschooling, the learning blocks are supplied in a high-quality case with carrying handle, so that the building blocks can be quickly packed up again after learning arithmetic and the world of numbers can be taken with you wherever you go. Hubelino Hubelino play products are more than just toys - they are tools that help children shape and understand their world. When developing the products, they work closely with child development experts, educators and parents to ensure that our products can withstand the rigors of everyday use and align with the latest teaching methods. The learning games are 100% compatible with building blocks from leading manufacturers and thanks to the popular plug-in system, nothing can shake or slip during learning. Like all our products, the 'Number Pyramids' learning game is manufactured in Germany to the highest quality standards. Details • Consists of 230 pieces (120 white blocks, 110 yellow blocks), a textbook, examples for copying and a poster. • 100% compatible with building blocks from other manufacturers. • Made in Germany. • STEAM toys. • Suitable for children from 6 years old.