Wie funktioniert eine Lunge

What a cool science project. Blow into the straws and watch the lungs inflate!

Adult Coloring Book: Magic Christmas : for Relaxation Meditation Blessing (Volume 8): Cherina Kohey: 9781517098964: Amazon.com: Books

Adult Coloring Book: Magic Christmas : for Relaxation Meditation Blessing (Volume 8): Cherina Kohey: 9781517098964: Amazon.com: Books

https://s-media-cache-ak0.pinimg.com/736x/99/05/43/990543748775744cb3c3501c1fdd6ac3.jpg

https://s-media-cache-ak0.pinimg.com/736x/99/05/43/990543748775744cb3c3501c1fdd6ac3.jpg

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