BRIKSMAX Led Lighting Kit for Creator 3in1 Underwater Robot - Compatible with Lego 31090 Building Blocks Model- Not Include the Lego Set : Amazon.co.uk: Toys & Games
Here's my third build from all the left over underwater robot pieces. It was originally a small submarine (the torso) and then I expanded on it. : r/ lego
LEGO 31090 Underwater Robot Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO CREATOR: Underwater Robot (31090) for sale online | eBay