I was not really a fan of the original Z'gok because it looked weird when I first watched it but a bit more mature and understanding its form and function it seems it was a good design for something made to be aquatic.
The Z'gok - E was an improvements and looks meaner.
▶️ 3Speak
Sheesh! looks so easy to build
Yes it has numbered instructions so you wont get lost on what parts goes where