Best-Lock 450 Blocks "Box O Blox" Contains 450 blocks, suitable for children aged 5 years up Featuring a varied assortment of shapes, styles and sizes the blocks help to develop colour and shape recognition Blocks can be used as a freestyle kit or can be added to other playsets for additional value Helps to encourage creativity, sharing and imagination in young children whilst improving hand-eye co-ordination and general motor skills 100% compatible with other leading brands