ROBOTIS DREAM Level 3 comes with the controller and teaches you the principles of servo motor control, usage of the touch sensor and IR sensors, and LED modules. This level will help you understand the flow chart to set up your ground work for programming.
ROBOTIS DREAM LEVEL 4 provides more advanced teaching of robotics. Machine equipment such as LEDs and caterpillar wheels are introduced, and scientific principles such as energy transitions are taught. Additionally, many examples are provided, which will prepare you for robotics competitions.
ROBOTIS OP3 is an affordable, miniature humanoid robot platform with advanced computational power, sophisticated sensors, high payload capacity, and dynamic motion ability to enable many exciting research and education activities.