Table Tennis Machine This is a Robo-Pong 1040 made by SAN-EI. It comes with a full basket of balls, so you can start practicing right away. The side-to-side oscillation function does not work. This machine is suitable for those who want to practice with a single course. It can produce topspin, backspin, and sidespin balls. Ball speed and ball interval can be adjusted. Please understand that this is a used item and may have minor scratches and stains before purchasing. - Model Name: Robo-Pong 1040 - Accessories: Instruction manual, power adapter - Condition: Used. Oscillation function is broken. Thank you.