This week we have been doing science this week .We have been doing a rube Goldberg machine.The reason why we did the rube Goldberg machine to get a good grad in are reports and this is a video of are rube Goldberg machine in a puriri.
This week we have been doing science this week .We have been doing a rube Goldberg machine.The reason why we did the rube Goldberg machine to get a good grad in are reports and this is a video of are rube Goldberg machine in a puriri.