Learning Resources Mathlink Cubes Activity Set. Primary learners will get hands-on with a variety of maths concepts with this activity set of connectable, twistable cubes! This engaging and easy-to-use set is ideal for developing a variety of primary numeracy concepts, including counting skills (1 -100), grouping, patterning and sorting. Activity set supports the mathematics mastery teaching approach. Includes 15 double-sided activity cards, 100 Mathlink Cubes in ten colours and a multilingual activity guide. Cubes measure 2cm. Suitable for ages 4+.