"Learning & Developmental Activity & Educational Preschool Toys - Rainbow Sensory Blocks 8pcs The set consists of 8 different shapes of various sizes that inside there is a transparent colored film. The child can combine 2 shapes and see how the colors are mixed and how the mixture of blue and yellow produces green. A special game that improves the child's perceptual ability and develops his basic mathematical skills. It is an educational game of shapes that helps the child to know the basic geometric shapes and colours. Suitable for children from the age of 24+ months Content: Sensory Block x 8"