rsm builders

Today we made briges we got $100 dollers we had to pick to what to build the longest brige or bulid a brige and spend the less amount of money the we dicide to go for the cheaptest brige we got 3 bits off papaer for $10 dollers that means we have 90 dollers we cut the papaer in half the means we have six pices of paper the width of the car so we have more paper we had to have more then 40cm length we had 42cm then we spent $10 dollers on 10cm of tape taped it up and it was stable the car went fine over the brige we won the chepest brige we spent $20 dollers on the brige it was fun i think you should try it.

catapult

this is my catapult it tarveld 4.5 meters that was the best shot it was fun