EARLY MATH SKILLS: Teach addition and subtraction in a tactile way with these MathLink Cubes!\nVISUAL & TACTILE LEARNING: Provides a hands-on visual aid to math lessons, and doubles as an open-ended building toy!\nCOLORFUL: MathLink come in a variety of colors and come with activity cards focused on addition, subtraction, sequencing, and more\nACTIVITY GUIDE INCLUDED: 115 Mathlink cube set with an activity guide for sequencing, math skills, and more