Watch out!!! One day my friend said that we should do the engineering challenge so I said okay. The fifth graders had to do it, but we could decide if we wanted to (since we were third graders). After looking at some websites, we decided to make a bow and arrow for the engineering challenge.
After we built it we needed to test it out. When we tried to test it out, it kept hitting people that were in my house, like my Mom. When we demonstrated it at the challenge, we were definitely hitting lots of innocent people that were in the way! One time, I got the arrow into the trashcan at school without even trying to. We built our bow and arrow with building blocks, straws, Popsicle sticks, and a hot glue thing that holds the glue.