Kia orana on Wensday we did our rube gold berg machines and learnt about four of the six simple machines that we had to use on your rube gold berg machine it was a fun experience and there was a lot of experimenting. My favorite part of the rube gold berg machine was making it and naming it a rat trap. that is my post. Have you ever made a rube gold berg machine and what was your favorite part of your rube gold berg machine? Kaynin