4-3/4 x 2-3/8 x 2" 12 x 6 x 5cm & 2-3/8 x 1-3/16 x 1/2" 6 x 3 x 1.2cm
 
Two different-sized dams supply water for a mill, irrigating meadows or controlling a stream for fishing. Slide, railing and stonework are made of laser-cut and die cast materials.