Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Transportation Vehicles (hierarchy name)
5. vehicles (transportation)
6. land vehicles
7. [land vehicles by form]
8. freewheeled vehicles
9. [freewheeled vehicles by form or function]
10. passenger vehicles
11. bicycles
12. velocipedes

Anotations

Scope note:

A type of velocipede generally intended for children, the body of which appears in the shape of a horse's body. Tricycle horses appeared in the mid 19th century and wheels of early examples were usually made of wood but during the 1860s these were superseded by metal spokes.