Burr

The Cup
The Drum
The Grandfather Burr
The Kray Twins
The Maze Burr - Ebony
The Scott's Man
The Sears Tower
The Sherlock
The Stellated Burr
The Ultimate Puzzle
Theta
Three Amigos
Three Piece Burr
Timburr
Timeout
TLN
Tokamak
Tolver
Tongari Kun and Roppongi
Tornaburr
Tornado Burr