Popular Mechanics bought eight science kits for kids, reviewed them, and found instructions on the 'net for replicating the same experiments with materials many people have on hand.
http://www.popularmechanics.com/science/research/4323417.html -via Geek Like Me
...homemade experiments can be just as complex and educational (while costing up to $100 less), so we found alternatives to each of the boxed kits that teach similar lessons just as well. Bottom line: Whether preassembled or drawn from kitchen cupboards, science kits can be educational and fun.
http://www.popularmechanics.com/science/research/4323417.html -via Geek Like Me
Comments (1)
If one is capable of explaining the electrolysis of water to Hydrogen, then use the homemade experiment. Otherwise, you would be smart to buy the kit.