The 128 Piece Educational Pairing Nuts and Bolts set are made up of big and easy to grip nuts and bolts and a cinch to connect.Children must match the pieces up by colour and shape, then twist them together!A fun matching and sorting activity which stimulates hand/eye co-ordination and teaches basic colour recognition.The screws are perfect for training fine motor skills and patience. With a little practise, your kids will quickly get the hang of the screw game and as we all know, practise makes perfect.Thanks to the storage box everything can be stowed neatly after playing. Supplied with four shapes in four different colours. Encourages manipulative skills. Colours included are red, yellow, green and blue. Ideal for use in the classroom or at home. Supplied in a stackable container. Conforms to current European safety standards. Consists of 128 play pieces.