with this sketch...
Here is my take on these challenges...
Paper: DCWV, Colormates and K&CO
Centre piece is cut by hand from the 12"x12" page and popped up with foam squares
Shell chipboard and Seahorse Sticker: K&Co
Fake stitching done with dressmakers wheel and joined with a fine point pen
"70" Memory box die
Ink: Colorbox Inks