my catapault

Yesterday the block make there own popsicle stick to make it we use 4 sticks and 2 sticks and we us these taps. When I'm finish we made a war. We battle each other and Attack and throw our pom pom After that we made a challenge boys vs girls. Our teacher made a square and we have to try to get it in whoever wins will get a prize and i win the challenge and i get a lollipop i feel so happy now.

rube goldburg

My machine has 6 simple machine in there. The boll hits the Dominos and went through a hole. It went down and hits the car. the car hits another boll and hits the dominos and went down and hits one dominos and went to a last flore. It hits the dominos and pop the balloone.