Children's Educational Science Kit: Make Your Own Robot
Soda Can Robug turns a regular can into a robot. Explore the world of robotic science with the Soda Can Robug science kit. Kit includes plastic mechanic body, wire wings, wire legs, motor with wires, ...
Pros: could be fun for an older child to assemble, cute to watch (for a while)
Cons: mixed "green" messages, unconvincing as an educational experience