【Tornado Bottle Connectors 】Made of superior grade plastic, it is non-toxic and harmless, thicker than other connectors, it can serve you for a longer time. You'll get 10 connectors，5 Colors。.
【Precautions】you have to take the food-security ring off of your bottles to get these to catch the threads.
And 2 liter soda bottles or other 2 liter bottles are suitable to use.Remove the small plastic ring on the bottle to tighten it-to prevent water leakage..
【Method of operation】Fill the water first to two-thirds of an empty bottle, then use the bottle connector to connect the two bottles, and shake it vigorously for three to five times. The tornado you expect is formed, so easy.You can add dye or laundry detergent to the water in the bottle so that the resulting tornado will have different colors and bubbles, which creates even more fun..
【Educational experimental supplies】 good educational and fun experiment and activity for school classes, home school, scouts and any other group, stimulating kids interest to physics and study.
【customer service】For kids, it is the perfect gift for Christmas gifts, birthdays, and other holidays.Just contact us if you are not satisfied and we will offer 100% satisfaction sulotion for you.30-day money-ba....
2 Pack Educational Experiment Science Toy Kits- 4pcs 7oz Tornado Bottle+ 2pcs Cyclone Tube Connector Set Watertight Cyclone Connector Vortex Bottle for Kids Students Classroom Experiment Test Supplies
Safe material: Our educational experiment science toys are made of premium plastic material, which is odorless, durable and safe for your kids.....
Ability promoting: By shaking the tornado experiment toys, children can observe the formation of tornadoes and vortexes and understand eccentric....
Multiple matches: Not only can children use our 7oz bottles, but also they can use different types and sizes of bottles to conduct tornado comparison....
Sufficient quantity: You will receive 6pcs educational experiment science kits in total, 2pcs tornado tube connectors and 4pcs 7oz empty bottles,....
Ideal gift: Our product is suitable for serving as a practical and educational gift, which can stimulate children's strong interest in nature,....
