Floating Bottle / mineral water bottle

In poor areas of Africa, the lack of opportunities to learn to swim and the scarcity of supplies, and lack of equipment to practice swimming and professional instruction are the main problems. The Floating Bottle is kind of assisted floating item designed for children in poor areas. It has modified the cap of the mineral water bottle, and a small change in the cap will combine the two bottles into a simple floating item. On the one hand, the recycling of waste products was realized, and on the other hand, the problem of lack of learning swimming aids in poor areas was solved.