Mission unstoppable

Today was a boring episode, I watched thing that I already know, like how bat are, 3D printing, the Da Vinci bridge, and how someone that says "you can be the first to go to mar" like thousands of people. All they said about bats is how cute they are and how they have retractable teeth. They said about the 3D printing and how and can print many things. Thirdly they did a contest about who could build the best da Vinci bridge. Lastly somebody who worked in NASA works at a museum and tells kids that you can be the first to go to Mars all the time.

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