Meffert's Hollow Skewb Cube - The Original Cube Brainteaser from Recent Toys - Travel Friendly Fun for Ages 9+

Meffert's Hollow Skewb Ultimate - The Original Transparent 12-Faced Brainteaser Puzzle from Recent Toys - Travel-Friendly Fun for Ages 9+

Meffert's Hollow Two by Two - The Original Transparent 2 x 2 Cube Brainteaser Puzzle - Travel Friendly Fun for Ages 9+

Meffert's Maltese Gear - The Original Twisting Gears Cube Brainteaser Puzzle Challenge from Recent Toys - Travel Friendly Fun for Ages 9+

Meffert's Megaminx - The Original 12-Faced 3D Brainteaser Puzzle from Recent Toys - Travel-Friendly Fun for Ages 9+

Meffert's Molecube - The Original Cube Puzzle from Recent Toys - Travel Friendly Fun for Ages 9+

Meffert's Polar Cube - The Original Ultimate 4 x 4 Twisting Brainteaser Puzzle from Recent Toys - Travel Friendly Fun for Ages 9+

Meffert's Pyraminx - The Original Ultimate Travel-Friendly Brain Teasing Puzzle - for Ages 9+

Meffert's Pyraminx Diamond - The Original Travel Friendly Advanced Diamond Brainteaser from Recent Toys for Ages 9+

Meffert's Pyraminx Marble - The Original 10-Sided Marble Tetrahedron Brainteaser Puzzle Challenge from Recent Toys - Travel Friendly Fun for Ages 9+

Meffert's Skewb Ultimate - The Original 12-Sided Brainteaser Puzzle Challenge from Recent Toys - Travel Friendly Fun for Ages 9+

Meffert's Skewb Xtreme - The Original 10-Sided Diamond Brainteaser Puzzle Challenge from Recent Toys - Travel Friendly Fun for Ages 9+

Recent Toys Icosoku - A 3D Sudoku Style Brainteaser Puzzle Game - Travel Friendly Fun for Ages 9+