Grandparents.com - Free printable coloring book pages. Choose from the alphabet to animals.

Nick JR Boost - A safe, secure, advertising-free environment where preschoolers to first graders can learn math, art, science, etc. Purchase a Nick Jr. Boost subscription and receive a free gift.

StarFall.com - A free public service to motivate children to read with phonics.

MathWorksheetsWorld.com - Create free math worksheet pages, or become a member and get full access to over 12,000 worksheets, lessons, quizzes and answer keys.

TuxPaint.org - Tux Paint is a free, award-winning drawing program for children ages 3 to 12. It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program.

Lumosity.com - Excellent brain games - Speed, Memory, Attention, Flexibility and Problem Solving games.

Teach2000 - This is a free download of a program that creates free quizzes,  tests and flash cards.

Enigeo - A great way to learn countries, capitals and flags from around the world. Answer questions about countries in a highly customizable quiz or just explore the world and learn about different countries.

MemoryLifter - A free virtual flashcard system based on the Leitner card box algorithm.

Math Table - Free download of a computer program that creates online math flash cards.

Free Kids Games - Hundreds of easy games for kids free to download from cnet.com.

Free Online Coloring Book - 28 pictures you can color online - no mess!