Stretch Armstrong keeps best at room temperature. Stretch Armstrong is made of latex rubber filled with gelled corn syrup, which allows it to retain shape for a short time before shrinking to its original shape. An estimated 67 different versions from Japan, Germany, Italy, France, Australia, and other countries released Stretch Armstrong variations between 1976 and the 1990s. The last two were filled with a granular solid in place of the viscous liquid found in the other figures. A vacuum pump, which attached to the heads of these figures, removed the air from within, which "froze" the toy in its stretched position.
Kenner Products Effect", was planned for 1999, but was cancelled due to poor sales. The "Jurassic Park" series became more of an annoyance to Hasbro rather than a trademark brand name. Due to this, the overproduction of "" toys, coupled with low sales, forced Hasbro to downsize by getting rid of the Kenner department in Cincinnati. 100 people were transferred, 420 were laid off. Among these 420 was the "Jurassic Park" design team (which also designed "Batman" among other toy lines), who had just started the very early concepts for "Jurassic Park III". Because of this, Hasbro assigned the toys from "Jurassic