K'NEX Classics 20 Model Building Fun Tub Features: Great for encouraging independent play, as children either build their own creations or use the easy step-by-step manual to create a range of cool models! With 300 brightly coloured pieces to choose from and 20 different 3D building ideas Choose from an array of interactive models in this construction toy set from a Scooter, Chopper, Robot, Excavator, and much more This kids construction toy's snap-fit pieces stick together securely and can be easily reassembled into other creations, helping to develop hand-eye coordination, fine motor skills, problem-solving skills, and spatial awareness, while providing an understanding of STEM subject Ideal for boys and girls aged 7 + Specifications: Dimensions: H:20.0 x W:34.5 x D:21.0 cm Guarantee:1 year Material: Plastic/Metal Model Number: KN80202 Self Assembly Required: Yes