The Minimum Think Cubelet by Modular Robotics is an individual magnetic block that receives input values from other Cubelets but will only relay out those inputs with the lowest values.This Cubelet is an accessory for use in expanding your Modular Robotics Starter and Standard kits.The Minimum Cubelet is part of the Think family of Cubelets which are robotic blocks that calculate and do math or computations.These Think Cubelets act as the brain of your Cubelet robots giving them the ability to intelligently figure things out and disperse the information on to the rest of the Cubelets.