18th-Century 8-Stick Packing Box - Historic Stick-Packing Brain Game

Six-Piece Pyramid IQ Puzzle – Vintage 1970 Intelligence Test Challenge

Six Discs Packing Puzzle – Tight Frame Brain Teaser for Spatial Problem-Solvers

Ring Formation Block Puzzle – Deceptively Clever Shape-Fitting Challenge

Quadra Puzzle – 20th-Century Spatial Brain Teaser in a Compact Box

No-Fit Packing Puzzle – 6-Piece Square Brain Teaser

Four-T Circle Packing Puzzle – Curved-Edge Spatial Brain Teaser

4-Piece Capital T Puzzle – Historic 17th-Century Brain Teaser

Six T Puzzle Box – Advanced Spatial Reasoning Game