Amazon.com: Cloudberries Gradient Puzzle: Hard 1000 Piece Jigsaw Puzzles for Adults, Rainbow Puzzle with Fun Color Gradient, 1000 Piece Jigsaw Puzzles : Prime Video
Gradient Puzzle - 1000 pieces by BetterCo. (took 12 hours to complete) - https://www.amazon.com/dp/B07P7FRSJK : r/Jigsawpuzzles
BetterCo. Gradient Jigsaw Puzzle 1000 Pieces - Difficult 1000 Piece Puzzles for Adults, Kids, and Teens - Hardest Jigsaw Puzzle with Colorful Gradient | Walmart Canada
I completed this 1000 piece gradient puzzle in two days :) : r/Jigsawpuzzles