Toys · 1975Stupid Score: 8.3 / 10
🪨 The Pet Rock
A pet that can't die, poop, bark, or run away. Gary Dahl boxed up beach rocks with a mock training manual and sold them as pets for $3.95.
⚡Pitched as a joke at a bar — picked up by national press within weeks.
revenue in 6 months
$15M