1 Pc Science Toys Vortex Water Tornado Swirl Maker Connector Creative Novelty Science Experiment Children Puzzle Toy Gifts

Lable: Yes Washing care: Do not bleach

Theme : Fantasy & Sci-Fi Warning : no

Recommend Age : 14+y

1 Pc Science Toys VorWater Tornado Swirl Maker or Creative Novelty Science Experiment Gifts For Children Kid Toy Product size: As picture Material: High quality plastic with long life. Suitable for most beverage bottles (non-mineral water bottles) This is a scientific experiment toy that is both interesting and educational. You can make a tornado in the bottle and observe your swirl in the bottle to help stimulate children's interest in physics, dynamics, and potential energy. The vortex or is easy to use, use the or to 2 bottles, shake the bottle horizontally 4-5 times, and then you will see the vortex rotate in the bottle. You can also add pigment or washing powder to the water in the past to add some color and foam to your swirls, which is more fun! !! Note: 1. There might be slightly difference in color, because of the computer monitor settings. With the difference in the measurement method, please allow 1-3cm in size deviation (1cm=0.39 inch).Thank you for understanding!!