Pet Rock

Advertising Executive Gary Dahl created the Pet Rock in 1975 as an answer to traditional pets, which he claimed were often messy, costly and misbehaved. At least three tons of stone from Rosarita Beach in Baja, Mexico, were used to create the perfect pets. Each rock came with a carrying case, a bed of straw and a “Pet Rock Training Manual” with helpful articles such as “How to make your Pet Rock roll over and play dead” and “How to house-train your Pet Rock.”