Crazy Soap: Colour Changing Bubble Bath


35 in stock


Kids stuff crazy colour changing bubble bath: Kids go crazy for magically changing bubble bath. Pour, mix and watch the ‘magical’  colour changes from:

orange to green then blue!

Make your bath-time magical with our colour changing bubble bath. Watch the mild & gentle bubble bath change from orange to blue in front of your very eyes!

Comes with FREE teaching notes and a pipette to help with your children’s scientific explorations!

How the bubble bath works

Colour changing bubble bath that can change from orange to green pH balanced formula to gently cleanse and moisturise delicate skin SLES and Paraben free. Fabulous fruity scent in Orange to Blue bubble bath.

This product is:
· Mild & Gentle
· Hypo-Allergenic
· Dermatologically Tested
· Paraben Free

Check out Science2Life’s teaching notes to find out how to make a bubble solution that bounces and a colour changing bath bomb!

A snippet from our teaching notes

Bromocresol green is a dye used as a pH indicator for many biological experiments.

A pH indicator is a chemical compound added in small amounts to a solution so that the pH (acidity or alkalinity) of the solution can be seen. The pH indicator is a chemical detector for hydronium ions (H3O+) or hydrogen ions (H+). The indicators change the colour of the solution depending on the pH. Some indicators only have 2 colour changes; Litmus (a solution of different dyes made from lichen)  is red in acid or blue in alkaline solutions.

Typical indicators are phenolphthalein, methyl orange, methyl red, bromothymol blue, and thymol blue. They each change colour at different points on the pH scale, and can be used together as a universal indicator.

Bromocresol green is yellow in solutions with pH values less than 3.8; green for pH values between 3.8 and 5.4

Bromocresol green colour chart

and blue for solutions with a pH value above 5.4.

Why does the bath water always turn the bubble bath blue?

The pH of pure water is 7, any solution with a pH less than 7 is considered to be acidic, and with a pH above 7 considered alkaline. However, tap water can have a pH value between 6.5 and 8.5. For all liquids which have a pH value greater that 5.4 the bromocresol green indicator in the soap will always turn a blue colour.


Additional information

Weight 400 g
Dimensions 14 x 8 x 4 cm

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