"I love this Robot when i was done building it ,I didn’t dare take him apart so I went out and purchased 2 more sets.i built the submarine next,I just loved the little plastic bubble cover the manta is cool also as reviewer #1 stated you can man both with mini figures this set is Awesome. I gave the 3rd set to my co workers 16 yr old son I hope he enjoys it as much as I do and that means I have to go buy a 4th set LOL ."