Brainteasers, mechanical puzzles, kits, 3d puzzles, etc.

• CraftyPuzzles.com – https://www.craftypuzzles.com/ – kits, brainteasers, & similar puzzles

Online Puzzling

• https://www.jspuzzles.com/
• https://www.jigsawexplorer.com/

Puzzle Accessories

• Etsy
• JigsawDepot.com
• JigThings.com