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Void Cube - Katsuhiko Okamoto

Sequential Movement / Plastic

Designer: Katsuhiko Okamoto
Maker: Winning Moves Games

3 Dimension Stack Cubes Puzzle - unknown

Assembly / Plastic

Designer: unknown
Maker: Dollar Tree Dist.

Diamond Cube - unknown

Interlocking / Wood

Designer: unknown
Maker: Creative Crafthouse

Mini Kumiki Diamond Cube - Tsunetaro Yamanaka

Interlocking / Wood

Designer: Tsunetaro Yamanaka
Maker: Yamanaka Kumiki Works