기능

• It's transparent, so you can see the water flowing!
• Made of polycarbonate and resistant to cracking, it can be used for dynamic experiments with 1.5 L PET bottles.
• Even if a plastic bottle filled with water is turned up, the water will not flow down.
• Vortex generation experiment: Fill one plastic bottle with water and join it with an empty plastic bottle. When a plastic bottle filled with water is turned up and shaken lightly, the water flows to the plastic bottle below while swirling.