Make Your Own Yarn Winder for Center Pull Balls
Another Great Technique on How to Make a Center Pull Ball of Yarn
How-to - center-pull ball of yarn
Make your own bouncy balls from scratch. This is a ridiculously cool science experiment!
make your own bouncy balls , plus 14 other Favorite Science Experiments for Kids
Make your own halloween tea lights from ping pong balls....clever! (from booturtle)
A Day at Home
How to make T-shirt yarn (also sold by Lion Brand as 'Zpaghetti') - use up your old T's and make your own.
Make your own glow in the dark RAINBOW bounce balls using common household ingredients- such a fun project for kids!