Octopus Appearance: I am a robot Octopus, a mechanical building robot. I can forward/backward, turn right/left, follow, sense gesture,avoid obstacle. Move functions: I am a building robot equipped with powerful electric motor, which enables me to walk on carpet/floor. Two Modes: I have blue RGB ear lights to appear different colors based on modes."Mode one" to avoid obstacle while walking; "Mode 2" to sense(IR sensor) kid's gestures and chase with it, but will backward if too close to you. STEM Robot: I am a lovely STEM robot toy to keep kids attention and training children's curiosity about science, exploratory, establish a primary science concepts in their mind,toddlers will know how to clarify all the units and know how to assemble them into a robot. Kind Reminder: Please don't cut the accessories apart before assembling, as all units are marked with numbers, children need to assemble them according to instructions strictly. Small Kids play with it should be under your supervision as small part included in this building robot (4*AAA battery not included).