Children will love learning about balance with this fun easy to use set which contains large pieces for small hands. The set contains 4 different shapes which lock together, you can then add the smiling faces and balls to help stabilise the models and improve observation and manual skills. Each shape measures 7.5 cm. Age: 2+ years. 28 pieces. For ages 3 years and over. EAN/MPN/UPC/ISBN: 8009971252342.