This Malaysia made concept submarine it has a metal body with a plastic base, tail, 4 rotating blades and windows.
a. white, white base and tail black and white blades, red “experimental” on top of pontoons, #682 $2 – 3
a2. white, as a, “experimental” on side of pontoons. #682 3 – 5
b. yellow, black and yellow blades, black windows, black stand with “Rescue Unit” in silver, Th. Ocean Blasters 5-pack (1999) 2 – NA
c. white, orange base, orange and white blades, orange windows, Virtual Collection, Mal. #152 (2001) 2 – 3
d. bright orange, gray base, gray and orange blades, black windows, Mal. #236 (2001) 2 – 3
e. mf blue, black base, orange windows, blue and orange design w/“WT” on right pontoon, white, orange and blue “4” on the left pontoon, Ch. Wild Things 5-pack (2006) 2 – NA
f. black, dk. chrome base, blue windows, black and chrome blue propellers, blue batman logo above window, Ch. Gotham City 5-pack (2007) 3 – NA
f2. black, as f, black base, black and blue propellers, Th. Gotham City 5-pack (2007) 3 – NA