Did You Know? It's a Fun, Fact-Filled Collection!: Hippos Can't Swim; Chickens Don't Fly; Rainbows Never End; Trains Can Float

The first four Did You Know? books are now available in one fact-tastic boxed set!

Did you know that a zebra’s stripes are as unique as a human’s fingerprints? Or that all snowflakes have six sides? How about that the highest place on Earth to go bungee jumping is the Bloukrans Bridge in South Africa? Find out many more fun facts about animals, the environment, and transportation in this awesome boxed set!

Included in the boxed set are:
Hippos Can’t Swim
Chickens Don’t Fly
Rainbows Never End
Trains Can Float