Brainstring Advanced Portable Puzzle Game for Ages 14+ Building Set planning and other skills as

planning and other skills as you try to identify where to perch all the birds in the tree

BOOSTS CRITICAL THINKINGDevelops logic

The gears move at the same

Venture into the captivating world of twists and turns with Meffert's Skewb

Brainstring Advanced Portable Puzzle Game for Ages 14+ Building Set planning and other skills asIf you like Brainstring Original you will LOVE Brainstring Advanced! With eight sides and four color groups, Brainstring Advanced is a playground at your fingertips slip the strings through the pathways to create mighty knots, untangle the knots, slide the ergonomic nubs around without making a mess, or enjoy weaving your own designs. There are unlimited possible configurations, so brainstorm your way through the Brainstring Advanced! Brainstring