Description Counting with Colors is perhaps the most beautiful math-learning tool ever made! This wooden number chart from Grimm’s Spiel & Holz of Germany features 200 colorful number and symbol tiles which can either be arranged within the included frame, or on any flat surface. The tiles can be used to solve basic arithmetic, create multiplication tables, identify prime numbers, and generate checksums — a versatile tool for teaching math. A real work of art that makes learning math beautiful and fun! Perfect for classrooms, homeschoolers, or math practice at home.