Shrink art, Shrinky Dinks, or Shrinkles is a toy and activity kit consisting of sheets of
polystyrene
Polystyrene (PS) is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and brittle. It is an inexpensive resin per unit weight. It is a ...
which can be cut with standard household scissors. When heated, the cut shapes become about nine times thicker while their horizontal and vertical dimensions reduce to about one-third the original size, resulting in hard, flat forms which retain their initial color and shape. They reached the height of their popularity in the 1980s and are still available from retailers. They can be used for a variety of things like charms and pins. Most sets are pre-printed with outline images of popular children's characters or other subjects, which are then colored in before baking.
History
Shrinky Dinks were invented in 1973 by Betty Morris and Kate Bloomberg, two housewives in
Brookfield, Wisconsin
Brookfield is a city located in Waukesha County, Wisconsin, United States in the Milwaukee metropolitan area. It had a population of 37,920 in the 2010 census. Brookfield is the third-largest city in Waukesha County. The city is adjacent to the ...
, as a
Cub Scout
Cub Scouts, Cubs or Wolf Cubs are programs associated with Scouting for young children usually between 7 and 12, depending on the organization to which they belong. A participant in the program is called a Cub. A group of Cubs is called a 'P ...
project with their sons. The first kits were sold at a local shopping mall and became very popular. Shrinky Dinks were soon licensed to be manufactured by the major toy companies of the time such as
Milton Bradley
Milton Bradley (November 8, 1836 – May 30, 1911) was an American business magnate, game pioneer and publisher, credited by many with launching the board game industry, with his eponymous enterprise, which was purchased by Hasbro in 1984, and ...
,
Colorforms
Colorforms is a creative toy named for the simple shapes and forms cut from colored vinyl sheeting that cling to a smooth backing surface without adhesives. These pieces are used to create picture graphics and designs, which can then be changed c ...
,
Western Publishing
Western Publishing, also known as Western Printing and Lithographing Company, was a Racine, Wisconsin, firm responsible for publishing the Little Golden Books. Its Golden Books Family Entertainment division also produced children's books and ...
and
Skyline Toys
A skyline is the outline or shape viewed near the horizon. It can be created by a city’s overall structure, or by human intervention in a rural setting, or in nature that is formed where the sky meets buildings or the land.
City skylines ...
.
As of 2020, the original brand ''Shrinky Dinks'' is owned by Just Play Products.
Usage
The base material consists of thin, flexible
polystyrene
Polystyrene (PS) is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and brittle. It is an inexpensive resin per unit weight. It is a ...
plastic
Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be moulded, extruded or pressed into solid objects of various shapes. This adaptab ...
(#6) sheets.
Prior to heating, the plastic sheets can be colored with felt-tip
pen
A pen is a common writing instrument that applies ink to a surface, usually paper, for writing or drawing. Early pens such as reed pens, quill pens, dip pens and ruling pens held a small amount of ink on a nib or in a small void or cavity wh ...
s, acrylic paint, colored pencils, etc. and cut into shapes. However, oily or waxy substances (such as cheap colored pencils, crayons or oil paint) are not suitable because they melt or burn in high heat. When heated with the
Easy-Bake Oven
The Easy-Bake Oven is a working toy oven that Kenner introduced in 1963 and currently manufactured by Hasbro. The original toy used a pair of ordinary incandescent light bulbs as a heat source; current versions use a true heating element. Kenner ...
, a conventional
oven
upA double oven
A ceramic oven
An oven is a tool which is used to expose materials to a hot environment. Ovens contain a hollow chamber and provide a means of heating the chamber in a controlled way. In use since antiquity, they have been us ...
, or a
heat gun
A heat gun is a device used to emit a stream of hot air, usually at temperatures between 100 °C and 550 °C (200-1000 °F), with some hotter models running around 760 °C (1400 °F), which can be held by hand. Heat ...
, the plastic
shrinks and becomes thicker and more rigid, while retaining the colored design.
Although Shrinky Dinks are primarily an
arts and crafts
A handicraft, sometimes more precisely expressed as artisanal handicraft or handmade, is any of a wide variety of types of work where useful and decorative objects are made completely by one’s hand or by using only simple, non-automated re ...
product marketed for children, adult crafters and artists also use the product for jewelry making and other projects. Blank sheets are available in bulk for this purpose.
Applications
In 2008,
University of California, Irvine
The University of California, Irvine (UCI or UC Irvine) is a public land-grant research university in Irvine, California. One of the ten campuses of the University of California system, UCI offers 87 undergraduate degrees and 129 graduate and pr ...
Professor
Michelle Khine Michelle Khine, Ph.D. is a distinguished scientist and innovator at the University of California, Irvine, co-founder of Fluxion Biosciences Inc., the scientific founder of the Shrink nano-technology platform, as well as the Assistant and Founding P ...
applied Shrinky Dinks to create tiny structures for the application of
microfluidics
Microfluidics refers to the behavior, precise control, and manipulation of fluids that are geometrically constrained to a small scale (typically sub-millimeter) at which surface forces dominate volumetric forces. It is a multidisciplinary field tha ...
to topics such as stem cell research. In 2022, Michelle Khine researched the use of Shrinky Dinks for microscale diagnostics and wearable biosensors for monitoring health.
In 2009, an art therapy supervision class at
Emporia State University
Emporia State University (Emporia State or ESU) is a public university in Emporia, Kansas, United States. Established in March 1863 as the Kansas State Normal School, Emporia State is the third-oldest public university in the state of Kansas. Em ...
explored the use of Shrinky Dinks in
art therapy
Art therapy (not to be confused with ''arts therapy'', which includes other creative therapies such as drama therapy and music therapy) is a distinct discipline that incorporates creative methods of expression through visual art media. Art thera ...
. In 2014, Shrinky Dinks were presented as an art therapy medium in a workshop at the American Art Therapy Association Conference.
In 2014, a team from
Harvard University
Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...
and
MIT
The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the m ...
used Shrinky Dinks to create self-assembling robots.
In popular culture
In 1992, the
California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
rock
Rock most often refers to:
* Rock (geology), a naturally occurring solid aggregate of minerals or mineraloids
* Rock music, a genre of popular music
Rock or Rocks may also refer to:
Places United Kingdom
* Rock, Caerphilly, a location in Wales ...
band
Sugar Ray
Sugar Ray is an American rock band formed in Newport Beach, California, in 1986. Originally playing heavier funk metal and nu metal style music, the band achieved mainstream popularity in 1997 with their more pop-influenced single " Fly". T ...
formed with the name "Shrinky Dinx", but later changed it upon threat of lawsuit from the
Milton Bradley Company
Milton Bradley Company or simply Milton Bradley (MB) was an American board game manufacturer established by Milton Bradley in Springfield, Massachusetts, in 1860. In 1920, it absorbed the game production of McLoughlin Brothers, formerly the ...
.
References
External links
{{Wikiquote
Shrinky-Dink microfluidics: rapid generation of deep and rounded patternsA children’s toy inspires a cheap, easy production method for high-tech diagnostic chipsThe Magical World of Shrinky Dinks
Art and craft toys
Products introduced in 1973
1970s toys
Goods manufactured in the United States