MY COLLECTION OF BRAINTEASER
3X3X3
3X3X3 (PICTURE)
4X4X4
5X5X5
CUBE (SHAPE CHANGING)
OTHER EIGHT-SIDED
DODECAHEDRON
FOUR
FOURTEEN
TWENTY
SPHERE
CYLINDER
STAR
HEADS & OBJECTS
OTHER SHAPES
MOVING HOLE
MOVING MARBLES
MOVING TILES
FOLDING
ELECTRONIC
PATTERN MATCHING
OTHER MECHANISMS
BOOKS
GAMES
MISCELLANEOUS STUFF