These are dried out water-based markers. Turn them into liquid watercolor paint. Fill a clean baby food jar with water, tie about six dry markers with a rubber band, and set them in the top of the jar. I let them sit over night and watercolor is made!
baby food jars, Fruit Loops, ziplocks have Massimo separate the colors of fruit loops.crush the cereal in ziplocks until it makes dust. Next, take the different colors of "sand" and pour into the empty baby food jars using the piece of paper as a funnel.
The Ketchup Experiment! Kid friendly site with lots of neat experiments! It has one that makes a rocket out of a film canister, which would be good for an grade space unit, but it has to many kid friendly expiriments. Great site for any science teacher.
I wonder if this works: Easier, cheaper alcohol inks and dyes - use a cheap small spray bottle - mix KoolAid or food color or easter dye or RIT dye with rubbing alcohol. Intensity of color depends on amount of your preferred additive.