Smallest Gun

The SwissMiniGun Miniature Revolver C1ST is no bigger than a key but is capable of firing tiny bullets at over 270mph. The first ones were made in 2005, are outlawed in the United States, and cost about $6,200.
Smallest Bodybuilder

Standing at just 2 ft 9 in. and weighing in at 21 pounds, Aditya “Romeo” Dev of India held the record for world’s smallest bodybuilder. He maintained that title until his death in 2012. Dev could shoulder press two 3.5 pound dumbbells as part of his workout routine.
Smallest Lizard

Also known as the dwarf lizard, the Jaragua Sphaero is the world’s smallest lizard and is typically found in Jaragua National Park in the Dominican Republic. It’s a type of gecko first discovered in 2001. It was immediately declared an endangered species. It measures .6-.8 inches long.
Smallest Car

Weighing only 150 lbs, the Peel 50 is the smallest car ever approved for street use. Built in the 1960’s, they are now rare cars that can go for $170,000.
Smallest Horse

Weighing less than a newborn, Einstein is the world’s smallest horse that isn’t affected by dwarfism. Born in 2010, this stallion is fully grown, measuring two feet tall, just a few inches taller than Thumbelina, another small horse whose height is due to dwarfism.