The Science of Sound How does a telephone actually work?

The Science of Seeing “Why is the sky blue? Why

Available Now! Transform your kitchen table into a battle ground

Makerspace Models. Build Anything from a Water Powered Rocket to

Packed with scientific activities, using items you’d find at home,

Science Lab: An Alien Activity Book I’ve contributed some projects

I was lucky enough to contribute some paper projects to

Build amazing paper creatures that move! Enter a world of

Just arrived from Dover Publications, my new book, Paper Animals

Simple directions and complete materials make it a cinch for

World’s Best Origami for Kids World s Best Origami for

Last year I worked on a book of Optical Illusions