John N. Hansen Hoberman: Mini Sphere - Rings(Discontinued by manufacturer)
From the Manufacturer
The "Original" Hoberman Mini Sphere. Expands from a closed position of 5.5" to 12" opened.
- Expands from 5.5" to 12"
- No assembly required
- Includes 21 Cool Things To Do game sheet
- Toss back and forth with a friend
- Great conversation piece