Mix 1 tsp turmeric powder into ½ cup of rubbing alcohol.While they are drying, make your “decoding” solution.Anything will be fun to find using the invisible ink decoder! It will be hard to see what they are drawing! They can try writing words or just doing abstract doodles.Have little ones draw on their paper with the baking soda solution using q-tips.Mix until it is mostly dissolved and keep mixing throughout your experimenting-it doesn’t dissolve all that quickly.

Invite them to help you mix 1 Tbsp of baking soda into ½ water in one of your glass containers.Tell little ones that today you will be experimenting with invisible ink!.Gather all other materials and have them on hand.Place a cookie tray in the experiment area.This could be a plastic tablecloth, trashbag, or some other non-absorbent material. Set up your experiment area, whether inside or outside, by protecting the area with some kind of covering.Paper (white paper works best, you could also use cardstock!).2 medium-size glass containers (I used Pyrex liquid measuring cups).Here’s how to make your own heat-free invisible ink: Materials needed: However, with it warming up outside-this would be a great outside project! Luckily, this recipe doesn’t require any heat and is totally safe-besides the slightly strong scent of rubbing alcohol. Many invisible ink recipes involve holding dried lemon juice messages over a candle and almost setting pieces of paper on fire. I was THRILLED to find this invisible ink recipe.

Download free invisible ink steam