446 / | HD | AMUSEMENT DEVICES: TOYS |
431 | DF | ROLLING OR TUMBLING (E.G., WHEELED) {16} |
450 | .~ Including handle, rod or tether for physically guiding or propelling (e.g., trundle, hoop, etc.) {3} | |
451 | DF | .~.~> Plural wheels |
452 | DF | .~.~> Guide means secured centrally of wheel |
453 | DF | .~.~> Including rolling element or sliding or pivoted retainer between rod and hoop or wheel |