描述
- Material: Made of plastic of good quality, providing long servicing life, and the surface of connectors has stripes, thus much easier for you to rotate
- Dimension: the connectors are 4.8 cm/ 1.89 inches in length, 3.3 cm/ 1.3 inches in outer diameter and approx. 2.8 cm/ 1.1 inches in inner diameter, common size for most bottles
- Educational tool: Watch your vortex spin in the bottle! It is a great educational and fun experiment activity tool for school classes, homeschoolers and scouts.It can help increase the intelligence of the kids,stimulating kids interest to physics and study
- Easy to use: the connector is convenient and easy to use,apply the tool to connect 2 bottles with 1/3 water,shake the bottle 4 to 5 times in horizontal direction, and then you will see your vortex spin in the bottle
- Quantity: the package includes 10 pieces of tornado connectors in 5 colors, red, green, blue, yellow and purple, and they can be applied repeatedly, enough for your common using
10 Pieces Bottle Connectors Tornado Connector Cyclone Tube for Scientific Experiment and Test Educational experimental supplies: Good educational and fun experiment and activity for school classes, homeschoolers, scouts and any other group, stimulating kids interest to physics and study. Specifications: Color: Blue, red, yellow, purple, green, each color 2 pcs as picture shown. 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 How to use? The connector is convenient and easy to use,apply the tool to connect 2 bottles with 1/3 water,shake the bottle 4 to 5 times in horizontal direction, and then you will see your vortex spin in the bottle. Package includes: 10 x Tornado connectors If you have any problem of our product, you can click "seller contact" button in your Amazon account to email us. We are delighted to help you and we will reply as soon as we can.
