Knock 'n' Roll Building StationOur building stations provide a foundation for your child's Knock a Block play time, teaching shape recognition while simultaneously developing their hand eye coordination. This building station is perfect to pair with our Knock 'n' Roll Starter Set and Knock 'n' Roll Additional Rolls Set Suitable for 18+ months. Dimensions: 16 x 16 x 4. 5cm Please note: This product only includes 1 x Knock a Roll Building Station. Knock a Roll Blocks are sold