Mathlink Cubes Early Math Activity SetBuild new skills one cube at a time! Kids get a hands on lesson in early math fundamentals every time they build with the MathLink Cubes Early Math Starter Set. This engaging activity set pairs 100 of our bestselling MathLink Cubes with 15 double sided activity cards filled with 30 learning challenges that make math lessons fun. Using the colorful cubes as a handy visual aid, little learners can learn the fundamentals of addition and subtraction,