Smart Toys

Meffert's Ghost Cube is a shape-shifting 3D brain teaser that challenges you to solve by form rather than color. Its smooth mechanism and striking monochrome look deliver an engrossing twisty puzzle...

Meffert's Skewb Xtreme features a distinctive 10-faced “diamond" form that adds intricacy to every twist. This portable twisty brain teaser offers smooth, precise movement for ages 9 and up.Unique...

Meffert's Skewb Ultimate is a dodecahedral twisty brain teaser that turns around its corners for a fresh, complex challenge. Built for portable play, it delivers smooth performance for ages 9 and up...

Meffert's Gear Ball is a rotating 3D brain teaser that challenges you to twist, turn, and align interlocking gears. Designed for portable play, it offers a satisfying mechanical puzzle experience for...