A set of 100 interlocking cubes that can be used to aid learning counting, addition and subtraction, and can also be built with! The cubes can be connected on all sides and also staggered to make different shapes. This set comes in 10 colours with 10 of each red, orange, yellow, green, light green, blue, light blue, purple, natural and black. Each cube is 2cm x 2cm x 2cm. Made in Germany from RE-Wood® which is a material made from 80% PEFC certified wood waste chips and 20% from a natural binding agent. It is 100% recyclable, carbon neutral, and free of pollutants. Packed in cardboard box with instructions.