Let kids get some hands-on time learning their letters and numbers with these sturdy magnet sets. They come in their own plastic storage tub to keep them from disappearing under the fridge. These are improved over the old kind with more and better magnets. You get more of the letters you need to spell common words. Create sentences and do math problems vertically on a file cabinet or other metal surface. Math Magnets include 30 numbers and 12 math symbols. Jumbo are 2.5" high while regular size is 1.5" high. These letters and numbers are a basic learning tool that kids will enjoy.