Here is my Nautilus that is 3D printed and build with lights and sound in it
This guy does the printing
https://www.benl.ebay.be/sch/i.html?s...
Motion sensor
https://www.amazon.com.be/-/nl/gp/aw/...
Led lights
https://share.temu.com/Mb9huXIrIBA
9V battery lithium rechargeable
https://www.temu.com/be-nl/-8-pack-9v...