400-Pc. Wood Log Building Set Each set includes: Logs (from 4-1/2" x 1/2" dia. to 1-1/2" x 1/2" dia.), Roofs (from 1-3/4" x 4-3/4" x 4-3/4" to 5-1/4" sq. x 2"), Doors (2-1/2" x 1-3/4" x 3/4"), Chimneys (1-1/4" sq. x 3/4"), Windows (1-3/4" sq. x 3/4") Pine wood and plastic For ages 3 and up