This bell jar provides a vacuum chamber for students to perform many experiments including:
- Watching a balloon expand or warm water boiling as air is pumped from the chamber
- Observing that a suction cup no longer sticks when the jar is evacuated.
- 1x 8 cm x 6 cm dia. clear plastic bell jar with base
- 1x Plastic vial, balloons and suction cup
- 1x 60 cc syringe and valves for evacuating the jar