Description: Material: Electric Chess Board Toe Game is made of ABS and silicone materials to ensure long term use and safe for children aged 4 and aboveCompact Size: Board Games measures 9.8cmx9.8cmx2.2cm, which is compact and portable, suitable for home use and travel entertainmentRechargeable: Xo Games is equipped with a 600mAh capacity and can be easily charged using the included charging cable, providing hours of play timePackage Included: Each package comes with a Desk Toy, a charging cable and an instruction manual for easy setup and useMultifunctional Features: Educational Toys has four ways to play, and the difficulty level can be adjusted to provide your child with a combination of intellectual development, challenge and entertainment Size Chart: 9.8cmx9.8cmx2.2cm/3.86inchx3.86inchx0.87inch Package Includes: 1 Chess Board Toe BoardGame toy1 Charging cable1 Instruction manual Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.