The YPO Nuts and Bolts set is a colourful and unique educational resource with large interlocking pieces that will help develop motor skills, dexterity, shape and colour recognition. These easy-to-hold, large size nuts and bolts are made from sturdy plastic, durable for classroom use. The YPO Nuts and Bolts set is ideal for children to develop fine motor skills. Composed of 64 pieces of 60mm, in 4 shapes and 4 colours, this is a large set that can be used individually or in cooperative play.Young learners will get introduced to colours and shapes with this early recognition toy. Little ones will also learn how to sort and count each piece as they grasp and hold them matching shapes and colours to start to develop those fine motor skills as they twist and screw each matching shape of the corresponding nut and bolt. This construction toy set also encourages stacking and building, which is also a part of the learning process.• Colourful and unique educational resource with large interlocking pieces that will help develop motor skills, dexterity, shape and colour recognition• Introduction to basic math - adding and subtracting - and beginning to differentiate and match each shape regardless of colour.•Each bolt measures approx 60mm•Suitable for children age 3 years and above•Kit contains 64 pieces in 4 shapes and 4 colours.