Ten Billion Barrel X7A ten billion barrel with fourteen layers which is seven times the size of the original puzzle.
Ten billion holeA Nintendo ten billion barrel transformed into a varikon puzzle.
Threaded LoopsTwo loops of pieces with three interchangeable half circles and an unique threaded piece that causes two loops to move in opposite directions.
Top Spin rulerA chinese clone of Top Spin, integrated into a transparent ruler.
Top-Spin"Just put the numbers in order"... sounds a lot easier than it is!
Trio (wood)A puzzle totally made from wood. With bandaged marbles.
Trio 2An improvemente of the original Trio by clevertoys.
TriphoneA cornerless Cube with six rubber bands connecting opposite edges.
Tsvet Za TsvetA Russian derivate of Top Spin.
Russian label states that it's name is "Colour by colour"