Description This item is a DIY Conveyor Model prop, adopting sturdy material, safe to use, simple to assemble, which can exercise hands-on ability. A good and practical small experiment prop, which can help them improve science logic thinking ability. Features -Color:Yellow -Material:ABS -Size:20.80X12.50X7.50cm/8.17X4.91X2.95in -Made of sturdy plastic material, practical and convenient for longtime use. -This Conveying BeltDIY material can fully show the characteristics of Conveying Belt. -Easy to operate, which can makeConveying Belt experiment learning more efficient. -The Conveying BeltMaking Material is conducive to improve academic performance. -It is a wonderful toy for scientific experiment teaching prop to understand basic principles of scientific experiments.Package list: 1 x conveyor 1 x screwdriver 1 x specification