In a nutshell, yes, slime is perfectly safe for most kids.
Besides Borax, the two most common activators used in slime making are liquid starch (Sta-Flo) which contains sodium tetraborate and saline solution which contains boric acid. So essentially the active ingredient in all these activators is the same.
With just three simple ingredients, you can make colorful edible slime that’s fun to play with and safe enough to eat. Combine dry gelatin mix and cornstarch in medium bowl. Add hot water; stir, then knead with hands until mixture is pliable and resembles consistency of slime. Give these a try!
First, pour off any standing liquid starch. Then add clear glue approximately 1/4 cup at a time and stir. Once the slime starts holding together, you will need to knead it by hand. After adding glue and kneading for 2-3 minutes, it will be just like new!
If ingested, it can irritate the gastrointestinal tract leading to stomach upset, vomiting, diarrhea, or other GI distress.
“However, larger quantities of slime (depending on the ingredients) may cause nausea, vomiting, stomach aches, diarrhea, or other serious symptoms.” With this in mind, it’s best to err on the side of caution and contact the Poison Control Center or your pediatrician at once, especially because there have been reports …
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