mBot, a programmable STEM education robot kit. This is an educational robot assembly kit perfect for learning programming for the first time. Batteries have been replaced, and operation has been confirmed. It can be used by installing an app on your smartphone. - Brand: Makeblock - Model Name: mBot - Category: STEM Education - Features: Programmable - Accessories: Charging cable, screwdriver, etc. All items shown in the photos are included. (A hex wrench, available at 100-yen shops, is needed to replace the batteries) This is a used item stored at home. Thank you. https://www.sanwa.co.jp/product/syohin?code=MB-MBOT1