WE MAKE A GOOD COMPOUND: 5 OCTAHEDRA Greeting Card

Combine 5 OCTAHEDRA and you get a cute compound, one of the 5 known regular polyhedral compounds of solid geometry.

Inside reads: "We make a good compound."
Includes envelope.

• Size: 4″ × 6″ (101 × 152 mm)
• Toner-based printing