Dish soap changes the milk’s surface tension and “pushes” the fat around, and the food coloring shows you the movement. It’s hypnotic – kids ask to do it ten times in a row.
The steps are in the app
Step-by-step instructions, tips and an easier and a harder version are waiting in the Hopsa app – along with 300 more ideas matched to your kids’ ages.
Coming soon to the App Store and Google Play
