Description:

MATERIAL - Bottle Connectors is Made of good quality , durable enough for providing long servicing life.

DIMENSION - is 4.8 cm/ 1.89 inches in length, 3.1 cm/ 1.3 inches in outer diameter and 2.9 cm/ 1.1 inches in inner diameter, could fit most of bottles.

EDUCATIONAL TOOL is a great educational and fun experiment activity tool for school classes, homeschoolers and scouts can help increase the the kids,stimulating kids interest to physics and study.

EASY TO USE - is convenient and easy to use, apply the tool to bottles with 1/3 water, the bottle 4 to 5 times in horizontal direction, and then you will see the bottle.

GREAT GIFT - Great educational toy for your kids, Perfect Christmas Gift / Birthday Gift.

Package Includes:

10 Pieces Bottle Connectors

Note:

Due to the light and screen setting difference, the item's color may be slightly different from the pictures.

Please allow slight dimension difference due to different manual measurement.