Lemonade backpack

Developing the lemonade backpack is currently the most complicated task under the angel care project. The design has the following requirements:

1. Carry and dispense water
   1. Prevent liquid sloshing, a simple jerrycan does not achieve this
2. Offer sunscreen
3. (Proportional salts)
4. Cool water with ice
5. Offer lemonade as an option
6. small features
   1. Music
   2. water Gun
   3. Bell
   4. Ice pops
   5. fruit and snacks