With the River Learning Kit modellers learn to create the illusion of water depth, make a river and a waterfall. Realistic Water will model a river approximately 1" w x 28" l x 1/8" d (2.54 cm x 71.1 cm x 3 mm). Water Effects will model a waterfall approximately 1 1/4" w x 5" l x 3/32" d (3.17 cm x 12.7 cm x 2 mm). Unlock new potential in your creations