Books

Puzzles

Poetry

Wish Upon A Star

Space Weather News
http://www.SpaceWeather.com
Notices about comets, meteor showers, cool moon effects (like auras and biggest/brightest of the year), etc

NASA Science News
http://science.nasa.gov
Info about solar flares, telescope/observatory news, Space Station sightings, etc

Make-A-Snowflake from Better Homes and Gardens
http://snowflake.bhg.com/index.html?id=7021510
I made some of these flakes last year, too.  They are fun to do.
So far, my known flake numbers are:
70215010
7772827
3007751

Virtual Flower Garden
http://www.procreo.jp/labo/flower_garden.swf
You'll get a mostly-blank black screen.  Start clicking anywhere in the window, and watch various flowers appear with each click.

Typing Test
How fast can you type?

Your Age in Dog Years

Your Age in Cat Years

Calculator Cat
All sorts of calculators - including Math, Scientific, Health, Financial, and Fun ones like your age in dog years.