Organic Molecular Structure Scale Model  Education Toy Teaching Material<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />Description:<br /><br /> Brand: seawell<br /><br /> Model :xmm-newton 005<br /><br /> Specifications of atomic: 23 mm and 17 mm diameter<br /><br /> Product model: xmm-newton 005<br />  <br /><br /> Features:<br /><br /> 1.Can meet  the large, medium and primary inorganic\/organic chemistry teaching<br /><br /> 2.Can build various proportion model, such as: methane, ethane, ethylene, acetylene, the common organic matter such as acetic acid, aldehyde, benzene, very suitable for teaching use.<br /> 3.Also suitable for kids to develop practical ability.<br /> <br /> Package Included:<br /> 1 X Molecular Structure Model Parts