I need help — I am always able to complete the puzzles on hard level, but on expert level I always get stuck! Is there a technique or tip I'm missing? Thank
4 Simple Ways to Open a Puzzle Box - wikiHow
Wondrous Jobs Level Up! Puzzle Set (Other) - Walmart.com
Amazon.com: Unicorn Magic Level Up! Puzzle Set from Mudpuppy, Includes 4 Jigsaw Puzzles with 16 – 28 Pieces, Features Enchanting and Magical Unicorns, Perfect for Ages 3+ : Toys & Games