DescriptionIf you are looking for a mechanics trolley with reliable quality andreasonable price, I will tell you that our product will be your bestchoice. We adopt high-quality plastic material, so you can keep it for along time, it's a wonderful choice for a physic class.Features- Color: As Shown. - Material: Plastic. - Size: About 11.00X7.00X4.00cm/4.32X2.75X1.57inch. - High-quality and low price, high cost performance. - Though it is simple in design, it's so practical when you use it. - Made of premium plastic materials, durable for a long time use. - With fine workmanship, not easy to wear and tear, very practical in use. - A nice student educational toy that helps to get to close to science.