These giant colour coded nuts and bolts are easy to hold and manipulate and they are excellent for developing hand-eye coordination and manipulation skills. 64 pieces, 4 shapes, 4 colours all in a handy case   Supports the following areas of learning: • Physical Development - motor skills • Understanding the World - colour • Maths - shape & space • Physical Development - hand-eye coordination Specification Dimensions: nut: 4 x 4 x 5.5 cm Recommended for children aged 3+