The designer has tried every possible way to make the robotlight, so you needn't worry about its weight.
设计师想尽了一切办法让机器人变轻，所以你不必担心它的重量。
2
Just make sure you keep your robot as light as possible, and get motors that can do overkill.
让你的机器人尽可能的轻，选一个不容易被烧坏的电机。
3
Other artists have created tangible works such as a Star Wars Steampunk light saber made from old radio parts and evening a functioning R2D2 Steampunk robot.