Filters
Three Little Piggies - Raf Peeters

Assembly / Plastic

Designer: Raf Peeters
Maker: Smart Games

Tangram - Joost Elffers

Pattern / Wood

Designer: Joost Elffers
Maker: Barnes & Noble Books

The Wooden Puzzle Book and Kit - Tangrams - unknown

Pattern / Wood

Designer: unknown
Maker: Mud Puddle Books

The World's Best Paper Puzzles - Jack Botermans

Unknown / Paper

Designer: Jack Botermans
Maker: Sterling Innovation

Compendium of over 10500 Wire Puzzles  - Dick Hess

Book / Paper

Designer: Dick Hess
Maker: Dick Hess

The Champion - Eric Stevens

Lock / Paper

Designer: Eric Stevens
Maker: Eric Stevens

Puzzles Old and New - Professor Hoffmann

Book / Paper

Designer: Professor Hoffmann
Maker: F Warne & Co

Escape from the Tower of London - unknown

Assembly / Wood

Designer: unknown
Maker: Professor Puzzle

“Enter if you can” Puzzle Book - Shane Hales

Sequential Discovery / Paper

Designer: Shane Hales
Maker: Peter Hajek

Manifold - Jerome Morin-Drouin

Folding / Paper

Designer: Jerome Morin-Drouin
Maker: Brainwright

Unknown / Paper

Designer: unknown
Maker: Foldology

Take-apart / Paper

Designer: Eric Stevens
Maker: Eric Stevens

Unknown / Paper

Designer: unknown
Maker: Foldology

Unknown / Paper

Designer: unknown
Maker: Foldology