Learn about them Talk about a science experiment of epic proportions! The Museum of Science and Industry’s “Science Storms” features a re-creation of Newton’s famous prism on a giant scale. A rooftop mirror redirects natural light, producing a vertical rainbow, reflected on 30-foot-tall white screens. Admission $10–$15. 5700 S Lake Shore Drive (773-684-9844).
Eat them This rich, vanilla Rainbow Cake may seem ordinary at first glance, but slice into the white frosting: There’s a fluffy spectrum inside! Slice $7, whole cake $75 at theGoddess and Grocer, 25 E Delaware Pl (312-896-2600) and other locations.
You likely already know about this Chicago classic, but we’d be remiss if we didn’t mention the iconic Original Rainbow Cone. The five-scoop specialty that gives the place its name is a summer favorite, sure—but the joint wakes up from its winter hibernation in March for a reason: Spring break is a great time to get started on your ice-cream fix. Cone $1.69–$4.15, 9233 S Western Ave (773-238-7075).
Take them home Who doesn’t love dancing rainbows? That’s what you’ll get once you hang Kikkerland’s solar-powered RainbowMaker in any window with direct sunlight. When those beams shine through the glass, a tiny motor spins the Swarovski crystal, and voilà! The two-crystal version produces double the rainbows. Try not to exclaim, “But what does it mean?” $30 at Enjoy, 4723 N Lincoln Ave (773-334-8626).
Multi-hued gladiator sandals from the Children’s Place are a perfect palette for wee tootsies coming out of hibernation. $20, childrensplace.com.