A failed wartime rubber substitute became a 1950 toy

The play

Silly Putty is a silicone-based compound sold as a colored blob inside a plastic egg: it can be rolled into a ball that bounces, stretched slowly like taffy, snapped sharply to break clean, or pressed onto a printed page to lift the ink. The National Toy Hall of Fame's record traces the material to General Electric chemists during the Second World War, when Japan's control of rubber-producing regions in Asia pushed manufacturers to search for a synthetic substitute; the museum credits chemist James Wright with a 1943 discovery of a stretchy, decay-resistant compound that bounced roughly 25 percent higher than rubber but that GE could not put to any wartime use.

What the evidence says

The museum's record is explicit that the wartime research and the later toy are separate episodes: Wright's 'goofy goo' amused party guests for years as 'bouncing putty' before toy marketer Peter Hodgson packaged one-ounce blobs into plastic eggs, sold them for a dollar timed for Easter, and, after a 1950 New Yorker article, saw orders top 250,000 in three days under the name Silly Putty. GE's own history page, which reflects the document as retrieved on 16 September 2026, corroborates the surrounding chemistry timeline in general terms, listing 1944 as the year GE 'introduces silicone for commercial use,' though it does not name Wright or the putty, so this entry treats it as background corroboration rather than direct confirmation.

Age fit and safety

Neither source states a numeric age range. The material's described behavior, breaking cleanly when struck sharply, is relevant to a caregiver's judgment about a young child: a piece that breaks into smaller bits is a potential choking consideration for a child who still mouths toys, a caution this entry raises because of the museum's description of the material's physical behavior, not because either source states a hazard finding. This entry does not treat the toy's long commercial run as a safety judgment.

What to look for

This is editorial guidance: because the compound can separate into small pieces when snapped or pulled apart, a caregiver of a child who still mouths objects should supervise use and check a current package's age label. The museum notes it has also served non-toy purposes, from lifting comic-strip ink to steadying tools in zero gravity on Apollo 8, uses that say nothing about suitability for a specific child's age. Store it in its original container to keep it from drying out or picking up lint.

• Is the child old enough to be trusted not to bite off or swallow a piece?
• Does the current package carry an age label the caregiver has checked?
• Is the putty stored where it will not pick up debris a younger sibling could then mouth?

A wartime chemistry problem General Electric never solved for its intended purpose became, seven years later, a dollar toy that outsold anyone's expectations within three days of its first magazine notice.