Makeblocks are modular arduino robots for stem education. The Airblock is a Modular and Programmable Drone with drone mode, underwater and hovecraft. The the airblock sells for $179. The ultimate robot kit is an Arduino and Raspberry Pi compatible robot kit that can take the form of a Rolling Tank, Detecting Robot, Catapult Ram, and Robotic Ant. There are ten assembly ideas in the box. The ultimate robot sells for $189. The starter robot kit is a lower end arduino compatible robot kit that sells for $149. The starter kit can be made into a robot tank or a three-wheel robot car. And then there is Makeblock Neuron which is an An Electronic Building Block Platform successfully got crowdfunded at on Kickstarter.