Important Notes: This robot needs to be assembled and does NOT include battery. (Please refer to the downloaded tutorial to buy battery.) Purchase Options: This kit has two purchasing options. This option includes the remote, the other option does not include it. Overview: This is a programmable quadruped robot kit, which can crawl and twist its body like a living creature. Whether you want to experience the joy of robots or learn to program, this is a good choice. We provide free technical support to help you with any questions and problems. Tutorial and Code: Comes with detailed tutorial and complete code. (Download needed, no paper tutorial.) The download link can be found on the product box. Remote Control: You can use the following devices to control this robot: * Computer: Laptop or desktop with Wi-Fi adapter. (Run Windows, macOS or Raspberry Pi OS.) (Refer to tutorial for details.) * Android device: Android phone or tablet. (Run Android 5.0 or later, installed Freenove App.) (Search Freenove on Google Play.) * iPhone: (Run iOS 10 or later, installed Freenove App.) (Search Freenove on App Store.) * Remote: Wireless remote with joystick. (Included in this kit.) Needed but Not Included: * For robot: 2 x Battery (Please refer to the downloaded tutorial to buy.) 1 x Charger for battery * For remote: 1 x 9V battery (Not necessary, can use USB power.)