The Learning Resources Numberblocks MathLink Cubes Classroom Set offers a comprehensive mathematical learning concept for schools. Featuring colorful MathLink cubes, double-sided demonstration cards, and popular Numberblocks characters, children learn to count, add, and subtract through play. The set is ideally designed for collaborative learning in up to twelve teams of two. The 88-minute teacher's guide includes 60 learning units of 15 minutes each. After class, all learning materials can be neatly stored away in the sturdy, transparent storage box.