Criteria B: Final Design

So my design was a water trolley. My design was a box shape, for extra hold, and has 2 wheels at the back. The wheels would be the same as a bicycle wheel. The trolley has better handling and carries water faster and efficiently. It has a pole sticking out of the bottom for a type of brake. It has rubber at the bottom for more grip to the floor. The trolley has handles on the back of the box, and rubber around that too. The box will be made out of maybe steel, for the strength, but production will be hard. So maybe plexiglass will work. The trolley will be about a meter and a half long, and a meter wide. A half a meter high, and the box will be a half a meter high. Kind of simple, and practical.