Filters
Nervous Breakdown Super Skill Puzzle - unknown

Dexterity / Plastic

Designer: unknown
Maker: Kohner

Hi-Q plus Brain Buster - unknown

Sequential Movement / Plastic

Designer: unknown
Maker: Kohner

Hi-Q with Travel Kit - unknown

Sequential Movement / Plastic

Designer: unknown
Maker: Kohner

Travel Hi-Q - unknown

Sequential Movement / Plastic

Designer: unknown
Maker: Kohner

Hexed - unknown

Assembly / Plastic

Designer: unknown
Maker: Kohner

Hi-Q Dominooos - unknown

2D Packing / Plastic

Designer: unknown
Maker: Kohner