CPR and rescue breath manikin

slightly more advanced manikin including cut and taped PET bottles, cardboard and a plumbing tube.
Recycled materials:
→ 4 PET bottles (coke)
→ 1 plastic bag
→ 1 piece of cardboard
→ 1 t-shirt
→ 1 pen
Non-recycled materials:
→ 1 curved plumbing tube
→ 1 tape
Price:
→ $ 1
Feedback mechanism:
→ No
Use (compression only / rescue breaths only / both)
→ both
Scientifically tested:
→ Yes
Tech requirements:
→ No
More information:
→ Publication