Upload & Sell: On
Secret is to use a product we have over here called "Rain X" its for car windscreens (windshield), it forces the water into droplets or beads - water then rolls off the windscreen .
Apply this to a sheet of glass , and then spray water onto this to create the right sized water droplets that you require.
Suspend this about 12 inches above your desired object - beans or M&M's or whatever, then light the whole thing and shoot and focus on the water droplet.. experimentation on focus to get it just right.
Hope this makes sense
All the best