Bulb Dog Toy

What's In A LIGHT BULB? HobbyScience Lab

Bulb Dog Toy

Hobby Science Lab does an experiment to find out what is in different types of light bulbs. Surprises at the end! ---TOY VIDEOS--- GIANT Surprise Eggs: http://www.youtube.com/playlist?list=PLzDMAGLsSlZoNvpGg-ijs4DlYu2RMSOxo Learning Playlist: http://www.youtube.com/playlist?list=PLzDMAGLsSlZo8...

Tags: childrens science experiments,light bulb facts,...