Tornado Bottle Connectors for Scientific Experiment

Specifications: - Length: 4.8 cm/ 1.89 inches - Outer diameter: 3.3 cm/ 1.3 inches - Inner diameter: approx. 2.8 cm/ 1.1 inches - Material: plastic - Color: red, green, blue, yellow, purple - Quantity: 10 pieces - Note: To use the bottle connector, you must first remove the food-security ring from the bottles and 2 liter soda bottles or other 2 liter bottles are suitable for use.

Convenient Usage: This tool is convenient for connecting 2 bottles with approximately one third water. Simply shake the connected bottles for 4 to 5 times horizontally and you will see a vortex spinning in the bottle. Educational and Fun: This bottle connector is great for educational experiments and activities in school classes, home school, scouts, and other groups. It stimulates kids' interest in physics and learning.

Simple Instructions: 1. Fill one bottle two-thirds full with water. 2. Connect the two bottles with the bottle connector. 3. Shake the connected bottles vigorously three to five times. A tornado will form easily.

Extra Fun: You can add dye or laundry detergent to the water in the bottle to create a tornado with different colors and bubbles, adding even more fun to the experiment.

Perfect Gift: This bottle connector is the perfect gift for kids for Christmas, birthdays, and other holidays. It provides both educational and entertaining value.

product information: