Photo credit: Bored Panda
Grow-in-water toys, with this example being a 23-year-old “Grow Babies”, are basically novelty items made from a superabsorbent polymer. They expand up to 500% of their original mass or volume after putting them into water for several days. One thing you may not know is that they shrinks with saltwater, though some shrink simply from air after being removed from water. Continue reading to see what happened after this person placed this over two-decade old toy in water.
