This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Make a mixed up animal collage and help your preschooler build her visual arts and math skills along the way.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.