Sugar-water rainbow
Publish Time: 2018-10-16 Origin: Site
The rainbow that after rain is very beautiful,but do you know how the rainbow formed?
Do you want to make your own beautiful rainbow?
This test tube science toycan help you to realize your dream.It can also help children to learn the simple reaction among water,oil and pigment during the process that them are making the rainbow.This science toy can also exercise the abilities of observation,thinking and coordination of children, provide more pleasure for kids and help them to become a happy builder of rainbow.