Color-Changing Flowers

Water climbs through tiny tubes inside the stem all the way to the petals, and food coloring shows you where it goes. Checking back every few hours for 2 days trains patience and careful looking – a big part of how scientists work.

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.

Join the waitlist

Coming soon to the App Store and Google Play