Solid, strong and multifunctional nesting and sorting cube in pure wood with beautiful rainbow colours. It is specially designed for Montessori teaching materials Stacking and nesting are fun. 10 boxes with biggest cup size 15X15X 15 CM (5.9X5.9X5.9 Inches) and 3.3X3.3X3.3 CM (1.3X1.3X1.3 Inches ) the smallest cubes. You can stack the cups up to make a 115 cm tall tower and nest them inside each other at 15.5 centimetres in the colourful box for easy storage It is great fun for stacking and nesting and at same time learning sizes, weight, counting or drawing your own picture on the boxes. A creative and imaginative child may use them as drums and useful containers Suitable age 2 years plus. It is always advisable that an adult to supervise and enjoy the interaction of children with this toy. The stacking toy cube set is great fun toy with lots of educational values. It is a great early learning toy and ideal for babies’ early education and development and can be used as Montessori materials Safe and Environmentally Friendly: Toy safety and children's happiness are our top priorities. We make our wooden toys with pure love and care for our children and the environment. Our wooden toys are made of sustainable wood with environmentally friendly and non-toxic paints. It conforms to EN71 and CPSA Standard and is tested and is certified by International Accredited Labs. We are committed to customers' total satisfaction. Colourful sturdy rainbox colour stacking cubes. These ten wooden stacking boxes are made from high quality specially designed for Montessori learning. You can stack the cups up to make a 115 cm tall tower and nest them inside each other at 15.5 centimetres for easy storage. It is great fun for stacking and nesting and at the same time learning colours, sizes, weight and improve hand and eye coordination small motor skills. "Toys of Wood Oxford" or "TOWO" is known for its fine quality, design led, traditional, fun and educational wooden toys. Toys include wooden puzzles, sorting, stacking s, pull-along, Montessori learning, matching, building and construction toys, family games and wooden brain teaser puzzles etc. are exclusively on Amazon. Wooden toys made with pure love and care for our children and the environment. All of the products meet the criteria set by the EC Toy Safety Directive, ASTM F963 and CPSIA Standards, tested and certified by International Accredited Labs. We pride ourselves on providing best and safe wooden toys and first class customer services. We hope our products will bring lots of fun and enjoyment to your children and family.