Safety 1st Incorporated is recalling the walkers because babies could damage their teeth on the steering wheels and choke on small parts.
The company has gotten six reports of babies losing lower front teeth.
The company also got 44 reports of a button loosening or breaking off the walker's attached toy telephone. One baby gagged on the button.
The walker has a green body, and includes a three-spoke steering wheel with squeaking horn, clicking keys, two rearview mirrors and a phone with electronic ring.
The recalled Mobile 4 Wheelin Walker was sold nationwide from April 1998 through April 1999. ^
The recalled models are 45701, 45701A and 45701B. The model numbers are written underneath the walker tray. Consumers can call Safety 1st at 1-800-964-8489 between 9 a.m. and 5 p.m. EDT Monday through Friday.