Marshmallows, tooth picks and a challenge! Make a cube. How many blocks can you balance on a single card?

Step one: Make the cube

Step two: Start balancing

Step three: Detect a problem? Yes, definite leaning!

Step four: Get four more toothpicks and . . .

Step five: Give credit to the triangle! It is the strongest structure!

This fun activity and more can be found in this book: Build it! Structures, Systems and You written by Adrienne Mason and illustrated by Claudia Davila.