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WELANGBN Tornado in A Bottle, 5 Pcs Tornado Tube Bottle Connector Plastic Water Vortex Maker Cyclone Tube for Scientific Experiment and Test, 5 Colors — Open-Box, 15% Off
Brand: WELANGBN
Condition: Used
$507
$596
-15% Save $089
Updated: 2 days ago
Description
Material: Made of plastic, the surface of connectors has stripes, thus much easier for you to rotate, can be applied repeatedly, common size for most bottles (such as Coke bottles), better than other connectors.
Use: Use a connector to connect a bottle with about 1/3 of water and an empty bottle, shake the bottle horizontally 4-5 times, then you will see the vortex in the bottle rotate. You can put coloring or washing powder is added to the water in the bottle, so that the little tornado you create has different colors and bubbles, which is more interesting.
Dimension: The connector is 4.9 cm/ 1.9 inches in length, 3.7 cm/ 1.4 inches in outer diameter and 2.7 cm/ 1.1 inches in inner diameter, could fit most of bottles.
Education Tool: It is a great educational and fun experiment activity tool for students. It can help stimulate their interest to physics, dynamics and potential energy.
You can put coloring or washing powder is added to the water in the bottle, so that the little tornado you create has different colors and bubbles, which is more interesting.
Specifications:
- Material:
Plastic - Color: Blue, red, green,yellow, purple - Size:
1.4 x 1.9 inch Package Included:
- 5 x tornado connerctor If you have any question,
please contact us
- Material:
Plastic - Color: Blue, red, green,yellow, purple - Size:
1.4 x 1.9 inch Package Included:
- 5 x tornado connerctor If you have any question,
please contact us
Sold by
Amazon Warehouse
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- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
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- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0d29h6pll
- Model:
- Tornado connector
- Country:
- US
- ASIN:
- B0D29H6PLL
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $1 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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