Growing animals water toys

Growing animals water toys DEFAULT

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Product Specification

Packaging Size 5x6
Child Age Group Yrs, Yrs, Yrs
Color Multi colour
Brand Birthday Popper
Size/Dimension cms approximately.

Product Description

Product Features:. Grow-in-Water Toy

Place it in water for about 72 hours. It will expand % as original ones

Seriously BIG FUN!. Also an educational experience

Can be dried out and then grown again.

Color: Different for each design, as shown in the picture

Character: Animals, Aquatic Creatures/Dinosaurs

Size cms approximately.

After growing Size: approximately.

Price is per animal

Shipped assorted

Comes with individual instruction card and packing. 

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Company Details

About the Company

Year of Establishment

Nature of BusinessManufacturer

Number of EmployeesUpto 10 People

IndiaMART Member SinceAug

Manufacturer or Wholesaler of Gift,Toy,Doll,Fun item,Novelty..
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Expandable water toy

Type of toy made from superabsorbent polymers

The "Grow A Boyfriend" expandable water toy shown at its original size

Expandable water toys or grow-in-water toys, or grow monsters are novelty items made from a superabsorbent polymer. They are toys that expand after putting them into water for several days. Also, it shrinks with salty water though most shrink simply from air after being removed from water. They are made from polymers that can absorb and retain extremely large amounts of a liquid relative to their own mass.[1]


Grow Monsters come in many different shapes and sizes. Reptiles and dinosaurs are common figures, but there are many others, such as: sharks, squid, seahorses, lobster, insects, humans, and mechas from popular anime are among them. Many of the companies that distribute them are Chinese and Dutch trading companies.[2][3]

Water Balz look like marbles, but expand to the size of a racquetball in water.[4]


The introduction and popularity of these toys has followed the development of superabsorbent polymers. In the early s, the superabsorbent polymer was used commercially for the first time for disposable hygienic products. The first product markets were feminine sanitary napkins and adult incontinence products. The development of superabsorbent technology and performance has been largely led by demands in the disposable hygiene segment. Strides in absorption performance have allowed the development of the ultra-thin baby diaper which uses a fraction of the materials – particularly fluff pulp – that earlier disposable diapers consumed. Over the years, technology has progressed so that there is little if any starch-grafted superabsorbent polymer used in disposable hygienic products. These super absorbents typically are cross-linked acrylic homo-polymers (usually sodium neutralized).

Risks and recalls[edit]

Starting from January 15, there have been several recalls on these toys. Ireland, Poland, Cyprus, Lithuania, Hungary and the United Kingdom have recalled the Magic Grow Reptile and Dinosaur Eggs Wild World due to a choking risk. They claim the products pose a risk of choking due to the fact that after 72 hours in water, the toys expand more than % in three directions, and that the products do not comply with the Toys Directive and the relevant European standard EN [5]

Water Balz and Orbeez have been swallowed and lodged in the guts of children, requiring surgery to remove.[4][6]


  1. ^Horie, K.; Barón, M.; Fox, R. B.; He, J.; Hess, M.; Kahovec, J.; Kitayama, T.; Kubisa, P.; Maréchal, E. (). DEFINITIONS OF TERMS RELATING TO REACTIONS OF POLYMERS AND TO FUNCTIONAL POLYMERIC MATERIALS(PDF) (Report). 4. Berlin: INTERNATIONAL UNION OF PURE AND APPLIED CHEMISTRY. pp.&#;– Retrieved
  2. ^"Archived copy". Archived from the original on Retrieved CS1 maint: archived copy as title (link)
  3. ^"Archived copy". Archived from the original on Retrieved CS1 maint: archived copy as title (link)
  4. ^ abO'Connor, Anahad (17 September ). "Expanding Ball Toy Poses Hazard to Children and Pets". Well. New York Times. Retrieved 18 November
  5. ^"Archived copy". Archived from the original on Retrieved CS1 maint: archived copy as title (link)
  6. ^Michelakos, T; Tanaka, M; Patel, MS; Ryan, DP (1 April ). "Orbezoar: A Superabsorbent Polymer Causing Small Bowel Obstruction in a Toddler". Journal of Pediatric Gastroenterology and Nutrition. 70 (2): e doi/MPG PMID&#;
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The History and Science Behind Expandable Water Toys (a.k.a. Grow Monsters)

Expandable water toys, also called Grow Monsters, are those cheap little plastic-like toys that get bigger after you leave them in water. They come in all shapes and sizes, with popular varieties including dinosaurs, reptiles, insects, robots, and chicken eggs. Instructions vary, but most of the toys need to be kept in a cup of water for a few days in order to roughly quadruple in size.

While it may seem like magic, their growth is rooted in chemistry. The toys are made of superabsorbent polymers that suck in and retain a large amount of liquid proportionate to their mass. 

The superabsorbent polymer technology required to make Grow Monsters originated back in the early s, when scientists at the USDA were trying to develop a polymer that would help soil conserve water. Using starch-grafting—a process of joining acrylonitrile polymer onto the backbone of starch molecules—and adding water, they found that the polymer allowed the soil to absorb more than times its weight. The USDA introduced the polymer, called Super Slurper, to scientists at chemical companies to experiment with the technology. Scientists at Dow Chemical then expanded upon the USDA’s work, discovering sodium polyacrylate, a superabsorbent polymer that can absorb up to times its mass in water.

Wikimedia Commons // Fair Use

In the s and s, this superabsorbent polymer technology evolved from an agricultural application to something entirely different. Companies in the U.S., Japan, and Europe began selling disposable personal hygiene products made with sodium polyacrylate. Proctor & Gamble and Kimberly-Clark put superabsorbent polymers in their menstrual pads, tampons, and diapers so they would retain more liquid than plain old cotton or sponge could. Since then, hygiene companies have moved away from using polyacrylates, partly because of the health risk of toxic shock syndrome in some users.

Over the years, various brands of expandable water toys have been recalled due to a different health risk—choking. A article in Pediatrics, the American Academy of Pediatrics’ journal, discusses their potential dangers. These toys are more dangerous than regular toys that children might accidentally swallow because, as they increase in size, they can get stuck and obstruct the child’s intestines. An 8-month-old baby swallowed a marble-sized “Water Balz” and needed surgery to get the ball out, since such toys can expand to the size of a racquetball when mixed with water (and other liquids in the digestive tract).

Despite product recalls and health risks, many Asian companies continue to manufacture and sell expandable water toys, which today can be made with a mixture of sodium polyacrylate, polyvinyl acetate (a polymer used as a binder) and ethylene vinyl acetate (a polymer used to mold the toy into whatever shape it’s supposed to be). This superabsorbent polymer technology also has many other uses: The polymers are used in wound dressings and surgical pads to absorb blood, food packaging to absorb excess moisture, and artificial snow.

So just how much will your expandable water toy grow? It depends on how long you keep it submerged in water, but the water itself also matters. Interestingly, the difference in the ionic concentration of tap water versus distilled water reportedly means that a toy in distilled water can absorb as much as 10 times more water than the same toy in tap water, meaning that your tiny dinosaur could get even terrifyingly bigger than you expected.


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Toys water growing animals

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