Filters
Fifteen Puzzle - Sam Lloyd

Sliding / Metal

Designer: Sam Lloyd
Maker: ThinkFun

15-Puzzle - Sam Lloyd

Sequential Movement / Plastic

Designer: Sam Lloyd
Maker: Rudolf Steiner Co.

Lowe's 15-Puzzle - Sam Lloyd

Sequential Movement / Plastic

Designer: Sam Lloyd
Maker: unknown

"15" Number Puzzle - Sam Lloyd

Sequential Movement / Plastic

Designer: Sam Lloyd
Maker: Plas-Trix Co. Inc.

Buttonhole Puzzle - Sam Lloyd

Disentanglement

Designer: Sam Lloyd
Maker: Puzzland Hikimi