They developed first a chalk, and then crayons. In 1903 they developed non-toxic pigments and launched a new brand of crayons. Eight different colors retailed for about five cents in that year. Silly Putty Silly Putty is fun and can be a creative process if your child is shown some ways to use it. Stretch it and shape into forms it can be fun for travel.
Child can bounce it also like a rubber ball.
So a little goes a long way for fun. If product causes any stain on fabric treat as soon as possible. Liquid detergent will work. In 1943, the scientist James Wright discovered a compound that bounced. Following a story that appeared in the New Yorker magazine in 1950, he received orders from across the country, totaling over a quarter of a million eggs.