This mBot Add-On Pack-Six-legged Robot add-on pack can be used to replace mBot’s wheels with aluminum beam legs and thus changing the look of the robot!Offering a playful way to understand the beam system robotic structural and motion design you are invited to reimagine your mBot into a “Beetle” “Mantis” or “Crazy Frog”! This add on includes 5 types of beams in professional grade aluminum alloy. The structure can be altered in the following ways: Beetle: equip the wheels with aluminum beams mBot is transformed into a Beetle walking on its 6 legs.Mantis: mechanically connecting 2 front legs to the wheels of your mBot it becomes a Mantis.Crazy Frog: replacing the original wheels by 4 legs your robot mimics how a frog is dashing across the road.