Dog Leash
A dog leash is a standard accessory used to restrain and control dogs during walks, typically 4-6 feet long and made from durable nylon or similar materials.
Estimated value as of 2026 · Source: KRBOBO Dog Leash Price Guide - mid-range leash average
Fun Fact
Basic nylon leashes suitable for everyday use by regular pet owners commonly retail around $10-14, while premium versions with special features can exceed $50.
More in Nature
Californium-252 (per gram)
Californium-252 is a synthetic radioactive element produced in nuclear reactors, valued as an exceptional neutron source for medical and industrial applications.
Dog Collar
A dog collar is a band worn around a dog's neck, typically made of nylon or leather, used for identification, control, and attaching leashes.
Fossil Tyrannosaurus Rex Skeleton (Stan)
Nearly complete T-Rex skeleton auctioned for research and display.
Moon Rock Sample (From Apollo 17 Mission)
Lunar basalt specimen collected during humanity's final Apollo mission in 1972.