On the ScratchX website, you can play with Experimental Extensions to Scratch. Because these extensions are experimental and not enforsed or supported by the Scratch Team, they are available only on the ScratchX site, not the main Scratch site. -- Scratchx.org mBot is an all-in-one solution for kids to enjoy the hands-on experience about programming, electronics, and robotics. Working with mBlock inspired by Scratch 2.0, you can use Bluetooth or 2.4GHz wireless module to connect with mBot (By different version), this easy-to-assemble mBot provides infinite possibilities for your kid to learn STEM (Science, Technology, Engineering, Mathematics). -- makeblock.cc/mbot