The Sensory Squares set is a beautiful wooden squares with different coloured and mirrored inserts to engage younger children. The Sensory Squares 7pk contains inserts which are red, yellow, green, blue, magnifier, mirror and concave/convex mirror. Children will love to handle the Sensory Squares. The Sensory Squares encourage observations and conversations about their different properties Practical Pre-School Awards 2017 "A beautifully made sensory toy which appeals to all ages. The blocks are great to learn colours and colour mixing, as well as learning about reflection and magnification and the children were particularly interested in the magnifying square and mirror square, using them to develop self-awareness. They are very sturdy and are great value for money." Set includes: 7 wooden squares with acrylic inserts. Size: L 14cm x W 14cm x D 3cm. Age: Suitable from 18 months. Sensory Squares 7pk Features Sensory Squares 7pk Material:Rubberwood Height:14 cm Width:14 cm Depth:3 cm Age Range:Suitable for age 10 months and up .