Simply by looking at their own reflection and cm scale etched onto the surface of the mirror, children can see how tall they are. The scale from 70cm to 130cm is ideal for children up to approx age 7. Comes with 8 sticky pads for fixing to a wall. TickiTmirrors are made from safe acrylic plastic. Supports the following areas of learning: • Maths - measurement • Understanding the World - observation • Personal Development - self-awareness SpecificationSize: 900 x 300 x 3mm.