What’s 1+1? Propel your little learner’s math skills with Build ’n Learn 1-2-3 Count! First Builders from Mega Bloks. These big, colourful blocks are the perfect tools to teach your child basic counting skills. As your little one develops, introduce the addition and subtraction blocks for more advanced learning. Educational playtime makes learning fun and prepares your child for kindergarten. Build, play, and learn with a variety of numbers to count and stack. When playtime is over, store the set in our new eco-friendly, PVC-free tote bag.