It’s a tiny version of the Fisher-Price Rock-A-Stack toy! The “World’s Smallest” miniature pre-school toy fits in your hand. Do you remember the original Fisher Price pre-school stacking puzzle toy with a rainbow of concentric donut shapes on a rocking pole? This mini toy is a perfect reproduction of the 1960’s popular child’s toy in colorful plastic that actually rocks. Collect all our our World’s Smallest Fisher Price preschool toys!