The 12-in-1 Education Solar Robot Toys kit can be assemed into 12 different styles robots which can move on land or water. There are two complexity levels of robots to build. Entry level: Puppy-Bot, Beetle-Bot, Zombie-Bot, Quad-Bot, Turtle-Bot, Walker-Bot. Medium level: Row-Bot, Surf-Bot, Roly-Poly-Bot,Buggy-Bot, Slither-Bot, Crab-Bot