Spark your child’s love for numbers with Stack & Sum Number Heights! These clever, colorful number toys are designed with a twist—each number’s height corresponds to its value, so when kids stack them, they magically add up to new totals! Watch as little learners explore addition hands-on, building towers of 2s, 5s, or 10s while sharpening their math skills and creativity. Made from safe, durable materials, this set is perfect for preschoolers and early learners, blending playtime with education. Whether they’re stacking a “3” on a “4” to reach “7” or creating their own number stories, kids will giggle and grow with every tower they build. Get ready for hours of counting, stacking, and summing fun! Number colors varies. Kit comes with numbers 1-10