Dive into number concepts through 120! Discover doubles, 1 more and 1 less and 10 more and 10 less. Learn about place value and practise addition and subtraction using number patterns on the grid. Includes a 120 mat, 3 inflatable cubes (2 number cubes with digits 0-9 to create 1 and 2 digit numbers; 1 cube with +10, -10, +1, -1), 64 square coloured frames, 4 t-shaped pieces that highlight 10 more/less and 1 more/less, 64 square cards to cover numbers and an activity guide.