science

                              

I like the fire tornado and the long rocket. I learnt if it has to much gas the balloon 

the otakicollege bollards

 

they put the bollards up so we don't walk on the road when the cars are coming down the drive way.it to keep bikes and scooter of the  road  the people don't get hit by the cars. the bollards to keep us safe cross the road on the footpath when the cars are not there  nice work