Unfortunately for kids, they contain GHB (Gamma-Hydroxybutyric acid), 'a powerful date rape drug', when eaten. From wikipedia: GHB is used as a general anesthetic, to treat conditions such as insomnia, clinical depression, narcolepsy, and alcoholism, and to improve athletic performance...GHB may induce nausea, dizziness, drowsiness, agitation, visual disturbances, depressed breathing, amnesia, unconsciousness, and death.
From FOX News:
I hope teenagers don't start raiding their younger siblings' toyboxes trying to figure out the right dose of aquadots to take!
Millions of Chinese-made toys for children have been pulled from shelves in North America and Australia after scientists found they contain a chemical that converts into a powerful date rape drug when ingested. Two children in the U.S. and three in Australia were hospitalized after swallowing the beads.