Bình Nước Thí Nghiệm Khoa Học Hình Lốc Xoáy Cho Bé

Welcome to 【lanfigeningsStore】 ,We insist on the lowest price to sell the best quality items！！！Features: 100% brand new and 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. Create a tornado from two 2 liter plastic bottles, water and a colorful plastic connecting tube. Swirling water creates a funnel-shaped vortex as it drains from one bottle to another. You can create different ways to work with it by timing the water draining, using bits of paper or food coloring or lamp oil. Material: Plastic Color: Red,Purple,Green,Yellow Size: approx. 4.8 x 3.3 x 3.3cm/1.89" x 1.29" x 1.29" Quantity: 1Pcs Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pcs x Cyclone Tube (plastic bottle not included)