Features:Made of high quality material, durable in use.Compact structure, light weight, easy to store.Adjustable speed, safe and reliable operation.It has the advantages of stable rotating speed, low noise and energy saving.Suitable for school teaching, pottery bar or home use, meet the majority of professional, amateur ceramic enthusiasts. Specification:Material: Aluminum AlloySpeed Control Mode: knob infinitely variable speedRated Voltage: 5V(USB interfacewithout adapter)Rotary Speed: 2000RPMRotary Wheel Diameter: 4.5cm/1.8inchRotary Wheel Thickness: 0.84cm/0.3inchMachine Body Size: 15.8*10.8*9cm/6.2*4.3*3.5inch Package List:1 x Ceramic Machine Note:Operation note:1. Roll the clay into a cylinder, fix it in the center of the turntable and press it.2. Use the ceramic tool alignment center to slowly open the hole, then slightly expand outward a bit.3. Use ceramic tool to shape and trim the profile of your work.4. Keep the rotating disc at constant speed and dry the work surface with a spray g  un/ hot air g  un.5. Use tools from top to bottom to modify, and finally fix the bottom6. After the work is completed, the work can be cut off with a scraper or a knife-edge tool Suggestions:1. Get smaller pieces of mud2. Don't rotate too fast and slow at a slower speed.3. When shaping, you can stretch it out a bit thicker and then thin it out slowly.4. Use clay tools to assist molding, less water.