This wonderful project allows you to construct an awesome working model of a crane! Practice and become an expert operator and spend hours of fun with this highly manoeuvrable model! This kit will provide you with practice in the principle of levers, but also the ultimate performance in string control. Operating a mechanical machine by pulleys is an exciting challenge as you lift and move objects. Have fun while you learn! Your kit contains: 52 wooden pieces, 17 dowels, 8 strings, 8 rubber o-rings, 1 tube of glue, 1 piece of sand paper and detailed instructions. You will also need: Your own ruler, scissors, tweezers, clips/pegs, elastic bands, small hammer and snacks! Dimensions: 60cm and 45cm, approx Box sized at 34cm x 23cm x 5cm approx Natural untreated wood and plywood. Can be painted. All pieces pre-cut ready to go. A great educational unit for school projects. Easy to make in about an hour All pieces precisely cut and drilled, fitting together with timber - slot construction. Lots of fun as a learning experience about how things work. Recommended for Ages 8 years plus. Small pieces not suitable for children under 3 years old.