Material: Plastic<br />Main gear diameter: 35mm<br />4 x Main gear <br />4 x Motor pinion gear<br />4 x Stainless steel shaft<br />8 x Accessories<br /><img src="http://img6.eachbuyer.com/x9/p100/bw307_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bw307_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bw307_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bw308_2.jpg" />