Slide puzzle by Eureka, or box puzzle (18 pieces puzzle). Solution - YouTube
The Grandfather Burr Puzzle – Kubiya Games
Wooden Underwater Gear Puzzle – 18 Pieces
Dragon Burr 6x6x6
Maarten Steurbaut - 18 piece Burr
Gracelaza 18pcs Wooden Blocks Brain Teaser Puzzles Set 3D Interlocking Wood Jigsaw Games - Ideal Mind Toys and Gift for Kids and Teens : Amazon.co.uk: Toys & Games
IQ Wooden 3D Puzzle #27 Eighteen Arhats - SkillToyz
RGS Group Soccer Wooden Puzzle - 18 Piece - GeeWiz
Slide puzzle by Eureka, or box puzzle (18 pieces puzzle). Solution - YouTube
Crazy 18-piece Burr puzzle | book, puzzle, Rubik's Cube | I saw some kids solving the Rubik cube blindfolded, I saw a guy juggling three Rubik cubes and solving all three of
Maarten Steurbaut - 18 piece Burr
Cocomelon, 4-Pack Wooden Jigsaw Puzzles, 18-Pieces Each, Ages 3 and up - Walmart.com