Toys of Wood Oxford Wooden Stacking Rings Sorting Toy Counting Game with 45 Rings - Counting Ring Stacker for 3 Year Old Suitable for Montessori Learning Solid base with 9 pegs and 45 beautiful rainbow colours large size wooden rings and 10 detachable numbered tiles. 43.3X11.6X11.5 CM. Stacking, Counting and Matching: stack the rings to the right number and colour in matching these on the tiles. Also match the right number on the tiles to the corresponding dots count on the base. Or randomly stacking for fun or create beautiful patterns. Great toy to learn numbers, counting, simple math, colours, opposite of low and high (pegs), less and more etc. 0 marked at no peg on the based is good way to introduce the concept of zero. A solid fine wood, attractive rainbow colours and multifunctional educational toy. Suitable for 3 years and up. It is ideal as a math tool at home and in classrooms.