Color’S Bang

Do you know the each color of the beautiful rainbow that in the sky  contains?

What the color we will get if we put the yellow and blue together?

Why the oil repels the water?

This test tube science toy not only can give the answers of these question, but also can give the enlightenment of color and chemistry for children.It can bring the interesting knowledge of chemistry to children and exercise the ability of observation and thinking for the changing of color and the reaction of chemistry.Now,let’s open the door of the world of chemistry for our children!