Filters
Square-1 - Dr. Vojtech Kopsky

Sequential Movement / Plastic

Designer: Dr. Vojtech Kopsky
Maker: Irwin Toys Limited

Genius - unknown

Sequential Movement / Plastic

Designer: unknown
Maker: Milton Bradley

Impossiball - William Gustafson

Sequential Movement / Plastic

Designer: William Gustafson
Maker: Milton Bradley

Rubik's Magic Jigsaw Puzzle - unknown

Assembly / Paperboard

Designer: unknown
Maker: Milton Bradley

Oh Mutter - unknown

Pattern / Plastic

Designer: unknown
Maker: Milton Bradley

Rubik's 360 - Erno Rubik

Dexterity / Plastic

Designer: Erno Rubik
Maker: Milton Bradley

Orbix - unknown

Electronic / Plastic

Designer: unknown
Maker: Milton Bradley

Gradual Despair - Pink - Alex Palmer

Assembly / Paperboard

Designer: Alex Palmer
Maker: Milton Bradley