What’s the biggest number you can think of?

Join Pebbles the butterfly as he flies around the world in search of the biggest number he can find.

Along his journey, Pebbles has to escape an earthquake, outrun an avalanche, and fly over a tsunami. Luckily, he meets some amazing animals that lend him a hand . . . or a paw.

Learn to love numbers and science in this fun and engaging picture book with bonus educational content.
Will Pebbles succeed in his quest to find the biggest number? Flutter in and find out!

Book Features

Hover to flip the cards!

Learn about BIG numbers, some that even most adults don't know about!
Travel with Pebbles to different places with gorgeously illustrated pages.
Learn facts about science related to the planet and its phenomena.

What People Are Saying

Book Sources

Are you curious like Pebbles and want to learn more? Here are some sources to get you started.


Inspiration for this book came from a conversation Joey Benun had with his nieces and nephews one day. Who knew that kids found BIG numbers so exciting?

Read the whole story!