This is a potter's wheel (turntable). It's made of metal, providing stability, and rotates smoothly. I've included a photo with a measuring tape to show the size. 【Size (approx.)】 ・Diameter: Approximately 30cm ・Height: Approximately 13cm ※Please note that there may be slight variations due to amateur measurements. 【Condition】 ・This is a used item, so there are small scratches and scuffs on the surface. ・There is no wobble or any other issues that would interfere with use. ・Sold as is. Please only purchase if you understand that this is a used item.