This is an N Scale Manually Operated Turntable by Atlas Model Railroad Co. FEATURES: 7-1/2 diameter turntable. Smooth operation. 21 track positions. 15 degree stall spacing. Geneva movement locks table in exact position every time. Simulated wood brown turntable deck and concrete gray pit ring. Completely assembled. Can be easily motorized with Atlas N Scale Turntable Motor Drive #2791. Detailed pictorial instructions. INCLUDES: One N Scale Manually Operated Turntable. REQUIRES: N Scale Model Train Equipment. Adult Supervision. SPECS: Scale: N (1:160) Diameter: 7-1/2 (195mm) COMMENTS: Keep away from children under 3 years of age.