Each set includes 4 ten frames, 30 red counters and 30 blue counters. It is ideal for a wide range of maths activities such as addition, subtraction, number bonds, number work, subitising, 1 more and 1 less, and number relationships. Write your mathematical question or number in the chalk friendly area. Place the blue and red blocks into the ten frame spaces to solve the question. Each ten frame measures 34 x 9.5cm. All the counters (3.3cm diameter) are chunky and ideal for little hands. All the pieces are made from FSC® certified beech wood. Age: 2+.