The Horse is a pet that can be bought as a game pass or inside the Pet Shop. After purchasing the Horse with 300 Robux, you will find a horse in your inventory.
Additional Info
You can also make the Horse ride-able, flyable or neon, like all other Pets. It is also classified as Ultra-Rare, and also being one of the Pets that could be bought by Robux.
Neon Appearance
The Neon Version of the Horse is it having a very Bright Blue Mane, Tail, Feet and Ears.