Brainstring Advanced vs Brainstring Original

Brainstring Advanced is a three-dimensional mechanical puzzle based on an invention by Dutch designer Guido Lap. Colored buttons on the exterior are connected by elastic strings that pass through the transparent body, and players move the buttons between holes to rearrange the resulting internal tangle. The objective is to separate and untangle the strings through spatial reasoning rather than by...

The Brainstring Original is a three-dimensional mechanical puzzle invented by Guido Lap and manufactured by Recent Toys. The puzzle consists of a spherical, faceted shell with rubber buttons or tabs protruding from multiple sides that can be pushed in and pulled out. Each tab is connected to an elastic string inside the sphere, and the objective is to maneuver the tabs to create, move, and ultimat...