Didn't work the best Borax crystal shapes. Dissolve cup borax in jar filled with boiling water. Hang pipe cleaner shapes suspended from popsicle sticks. Let sit overnight. Can add food color to borax solution.
Seuss STEM challenge for the Cat In The Hat activity. A classic STEM challenge for kids is stacking cups and making cup towers. We gave our STEM activity a Dr Seuss inspired theme! Fun for preschool, kindergarten and grade school STEM.