OBTANIM Set of 2 Tornado in A Bottle, Vortex Bottle Water Connector Science Cyclone Tube for Intelligence Developmental Toys Scientific Experiment and Test (4 Bottles and 2 Connectors, Random Color)

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Description

OBTANIM Set of 2 Tornado in A Bottle, Vortex Bottle Water Connector Science Cyclone Tube for Intelligence Developmental Toys Scientific Experiment and Test (4 Bottles and 2 Connectors, Random Color)

  • Made of quality plastic, the tornado connector is durable and long lasting; The surface of connectors has stripes, thus much easier for you to rotate, it can serve you for a longer time
  • Use a connector to connect a bottle with about 3/4 of water and an empty bottle, shake the bottle horizontally 4-5 times, then you will see the vortex in the bottle rotate
  • 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
  • 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
  • Great educational toy for your kids, perfect gift for Christmas, Birthday, and the other holiday. Packaging includes: 200ml bottle x 4, and 2 connectors, common size suitable for most bottles


Specifications:


- Material: Plastic
- Size: 2.2*11 inches
- Color: Random Color

Packaging includes


- Set of 4 bottles, 2 connectors

- 100% Brand New & High quality

- Watch your vortex spin in the bottle!!!This is a great educational and fun experiment and activity for school classes, homeschoolers, scouts and any other group.

- Swirling water creates a funnel-shaped vortex as it drains from one bottle to another.

- Create a tornado from two liter plastic bottles, water and a colorful plastic connecting tube.

If you have any questions, please contact us and we will reply at the first time.

  • Educational Objective(s): STEM
  • Batteries Required: No
  • Material Type(s): Plastic
  • Manufacturer recommended age: 13 years and up
  • Manufacturer reference: O-B-Z01IJ
  • Package Dimensions: 25.3 x 16 x 5.3 cm; 126 Grams

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30 Days of Free Returns

You can return this items within 30 days of receipt of delivery if you change your mind. No question will be asked. Visit here for info.

Free Return Pickup

Return pick-up is available for eligible pick-up
addresses and items, provided there are no shipping restrictions. In case pick-up is not available, self-ship reimbursement cost is provided.

Orders Tracking

Track your orders in real time. We manages delivery by using preferred couriers/agents. Order delivery tracking to your doorstep is available. Visit order history page or click here to track your orders.

Full refund

Full refund is provided if the item is defective, damaged or if you receive the wrong item, so that
we can evaluate the issue and make it right.