-A new color appears in the Free Research Series Submarine!
-No need to paint with snap-fit, color plastic that can be assembled without adhesive!
-It is easy to challenge from beginners to children.
-Adopt two-tone color (red x black) different from the conventional submarine (yellow)!
-Uses rubber band and can turn the screw.
-The side window is reproduced with frosted glass, and the front window is reproduced with a transparent molding color.