| Brand | ThinkFun |
|---|---|
| Type | Brain Teaser |
| Shape | Irregular |
| Year | 2005 |
| Size | 3x3x3 |
| Theme | Strategy |
| Material | Plastic |
| Age Level | 8-11 Years, 12-16 Years, 17 Years & Up |
Check the listing for details. Flip Side Brain Teaser Challenge Game ThinkFun w/ Box Vintage Rare. Condition: Used. Listed at 18.49 USD. This is a vintage little game, but it's in good shape.It works fine. The Flip Side Brain Teaser Challenge Game by ThinkFun is a vintage rare puzzle that challenges your brain in a unique way. Made of durable plastic, this brain teaser demands strategic thinking and problem-solving skills. With its intriguing design and compact size, it is a perfect gift for puzzle enthusiasts and those looking to keep their mind sharp. Perfect for solo play or as a fun activity to enjoy with friends and family.