A bubble made from clear water…
You blew it from plain, see-through soapy water. What's hiding inside?
The soapy water is clear — no paint at all.
A bubble's skin is the thinnest water ever.
Tap the bubble to make its skin thinner!
Tap the bubble — watch its skin get thinner.
The skin gets thinner and thinner. What happens?
Tap your guess!