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How to Blow up a Balloon With Baking Soda and Vinegar

No helium needed to fill balloons for parties.....just vinegar and baking soda! I NEED TO REMEMBER THIS!

Projection

Don't have a projector and want to paint something on the wall? Just need a box, a lamp and tape.

Keep the noise down! Sounds an alarm when the noise from your kids, classroom or office goes over a certain number of decibels.

Kids can bind the books they make with a hole punch, rubber band, and paper clip -- way more fun than stapling!