Thestral Carriage

You can ride it like a broom with its own dimensions, you can buy it from Spintwitches from Albie Weekes for 500 Galleons.

Additionally, at the back of the carriage, there is a bird at the base. You can change the type by pressing the E key while in the carriage. If you want to change to another bird, just press E again. You can choose from 14 different birds: barn owl, eagle owl, screech owl, snow owl, phoenix, raven, gull, kestrel, jobberknoll, grouse, golden eagle, fwooper, diricawl, and chicken.