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GSC Go Science Crazy Lung Demonstration Model 
Apparatus for classroom to demonstrate how lungs function. Partial vacuum inside the jar causes the lung shaped balloons to relax and contract.
Supplier: GSC Go Science Crazy 120320
Avertissement:
Not a toy. Product intended for ages 13 and up. May contain latex!
Description
- Housed within partial vacuum
- Plastic material to prevent breakage
Spécifications
| Housed within jar having partial vacuum | |
| Lung Demonstration Model | |
| Plastic |