Toysmith 4M Tin Can Robot Kids can discover amazing things from a normal soda can with Toysmith 4M Tin Can Robot. This kit encourages kids to imagine and create a real ‘silly’ robot that can actually move. Why You’ll Love It: Toysmith 4M Tin Can Robot teaches kids about cool recycling. Age: 8 to 15 years. Features Turns soda can to a moving robot Comes with simple parts and instructions. Easy to put together. Required Batteries: 2 AAA (not included). Recommended Ages: 8 – 15.