Silly Putty Putty went worldwide, becoming a hit in the Soviet Union and Europe. In 1968, it was taken into lunar orbit by the Apollo 8 astronauts. Peter Hodgson died in 1976. A year later, Binney & Smith, the makers of Crayola products, acquired the rights to Silly Putty. , annual Silly Putty sales exceeded six million eggs. Silly Putty was inducted into the National Toy Hall of Fame on May 28, 2001. In addition to its success as a toy, other uses for the putty have been found. In the home, it can be used to remove substances such as dirt,
Putty used, as these emit very little odour, are more easily cleaned up and are compatible with water-based and latex sealers. Plumber's putty is waterproof, used to make watertight seals in plumbing. Pratley's Putty is an adhesive used primarily for steel bonding. Certain types of putty also have use in the field of terminal ballistics, where the putty can accurately represent the average density of the human body. As such it can be used, for instance, to test the penetrative power of projectiles, or the stopping power of body armour. Play putty, such as "silly putty," is for children to play