Makeblock 4in1 mDrawBot Educational Arduino Robot Kit Aluminum Frame for Geekers Makers (Standard) Anodized Aluminum Frame, can be assembled into 4 different configurations: mScara, mSpider, mEggBot, and mCar for different usage Comes with a specially-designed software named mDraw to control these robots, completely compatible with the four forms Can be extended with Makeblock add-on packs(Laser engraver, Bluetooth connection, etc.) Main Controller: Makeblock Orion (Arduino UNO compatible) Detailed assembling instructions provided, enables you to build any of the 4 configurations in an hour.