Makeblock mBot Robot Kit, Family Choice Awards in Toys & Gift for 8yr+, Mechanical DIY, Programable Robot, Stem Toy(Blue, Bluetooth Version, Family) 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 modes to play with, like obstacle avoidance, line-follow and etc. It is easy to build within 15 mins and can be controlled by remote or smartphones through Makeblock App (iOS/Android). Suitable for age 8+. Its up to you to decide if you wants to follow the guide or DIY it with your own imagination to make your mBot completely differ from everyone else, You can also upgrade it by purchasing the add-on package of mBot to DIY more forms of mBot. 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) 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: 4 pcs AA batteries or 1 pcs 3.7V 1800mAh Lithium for mBot and CR2025 coin battery for Remote. Batteries are not included. &#034;Great toy for 8-9 year olds, boys and girls.&#034; &#034;My son is in love with this toy.&#034; &#034;This product is awesome. Its easy to put together and operate. Children love playing with it.&#034;