Home-made ventilation manikin

Simple mechanism using a plastic bad, a book and a big plastic bottle
Recycled materials:
→ 1 book
→ 1 plastic bad
→ 1 1-gallon bleach bottle
Price:
→ $ 0
Feedback mechanism:
→ Yes
Use (compression only / rescue breaths only / both)
→ rescue breaths only
Scientifically tested:
→ No
Tech requirements:
→ No
More information:
→ Publication