HABA 1158 - HABA 1158 - Get things going - the marble sets the mill in motion, the mill sends the marble one level down. This set contains 1 mill, 2 towers, 2 wooden tracks and 6 glass marbles. Mill measures 3" x 3" x 4.5". Made from solid hardwood. Compatible with all Haba building block sets (T.C. Timber not included). Recommended for 3 years and up. Made in Germany.