Makeblock Starter Robot Kit, DIY 2 in 1 Advanced Mechanical Building Block, STEM Education for 10+ yrs Kids to Learn Robotics, Electronics and Coding. (Bluetooth Version). Proudly presented by Makeblock, a global leading brand in STEAM education solution that has integrated in 140+ countries. Dont judge it by size, he is a real robot that has many mode to play with, like obstacle avoidance, line-follow and etc. It is easy to build within 30 mins and can be controlled by remote or smartphones through Makeblock App (iOS/Android). Suitable for age 10+. Its up to you to decide if you wants to follow the guide or DIY it with your own imagination to make your Starter completely differ from everyone else, You can also upgrade it by purchasing the add-on packages to DIY more forms of Starter. Code it from all platform, the mBlock Blockly App (iOS/Android) is a great place to train the logical thinking for new coders. The advanced mBlock software (Windows/macOS/Linux/Chrome OS) is one of the most popular entry-level coding platform with more than 450,000+ users that helps you to bring your creativity into reality. Battery requirements: 6 pcs AA batteries required. Batteries are not included. This product is not affilated with or endorsed by LEGO. LEGO is a trademark of the LEGO Group of companies.