mercun ayam jantan = loud whistle then boom
mercun ayam betina = slides on the ground/floor then boom
mercun katak = jump then boom
mercun lebah = spinning into air then boom
mercun papan = chinese dynamite, separate then salotape 4 to 6 pieces together for maximum boom
mercun lotus (or thunderclap?) = boom once on ground then shoots another one in the air and boom second time

and many2 more