During this week ,we are preparing our final A2 size presentation and these five ideas all from 101 ideas.
The bag with network
The magic bag
Friendship bag
This one is the basic idea of final idea , we find if the bag with balloon,the school bag will be lighten , but the school bag with balloon is not convenient ,so we change the balloon into Helium ,our group think this idea will really helps students to lighten their bags and stuffs, it is good for their body.
Helium bag