- Material
- Semi-precious gemstones (varies by piece)
- Number of Pieces
- 7 (Soma Cube, Pyramid, Tangram, Burr Puzzle, Spinning Tops)
- Recommended Age Group
- 8 years or older (Tangram, Burr Puzzle, Spinning Tops); Adults (Pyramid, Soma Cube)
- Difficulty Levels
- Easy (Soma Cube), Medium (Pyramid, Tangram, Burr Puzzle, Spinning Tops), Hard (Tangram)
- Puzzle Types
- Dissection, Disentanglement, Dexterity game
- Colors
- Multicolor, Green, Gray, Black, Yellow, White, Brown, Blue