Samples from the phials of red, blue and yellow liquid are mixed in different proportions inside the test-tube-shaped bottle to create varying shades of bubble mixture. A fun way for younger children to learn about colour - and they get to blow bubbles as a reward.
- Experimental colour mixing kit
- Phials of red, yellow and blue liquid to mix
- Test-tube-shaped bubble pot
- Colourless bubbles avoid mess after popping
- Colour phials 8cm