Swirling Colors Bottles Add foam shaving cream into a bottle. Add warm water to fill the bottle. Shake, and watch foam dissolve. Add more water if needed, till all the foam is dissolved. Add food coloring (one color per bottle) attach lids and shake
KID SAFE Two-Color Oil and Water Discovery Bottles @ Play Trains! These vibrant discovery bottles contain no lamp oil, using all edible ingredients to make them safe for young children to make themselves!