Get smart curated videos delivered to your inbox.   SUBSCRIBE
The Kid Should See This

Can you solve the cuddly duddly fuddly wuddly riddle?

Watch more with these video collections:

You’ve promised to get your son the cutest creature in creation: the cuddly. It’s part of the Wuddly species, cousin to the terrifying duddly and the hideous fuddly. To make one, 100 eggs are placed in an incubator to undergo egg fusion, and the resulting combination will produce either a cuddly, a duddly or a fuddly.

There are 99 eggs in the incubator—23 blue, 33 purple, and 43 blue—and it needs one more to result in a blue egg that will hatch the cuddly wuddly that you’re hoping for. Which color egg should be put in the incubator? From TED-Ed and educator Dan Finkel: Can you solve the cuddly duddly fuddly wuddly riddle?

magic shop
Here are the rules to figure it out for yourself:

cuddly wuddly rules
We’re fans of Finkel’s Tiny Polka Dot and Prime Climb, two award-winning math games that help get kids (and adults) comfortable with and excited about numbers and math.

Follow this with more of Finkel’s TED-Ed logic puzzles, including the wizard standoff riddle.

This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.

Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.