Rubik's Tube 3
Rubik's Tube 8 (30)
Rubik's Tube 10 (Sting)
Rubik's Tube 11 (Sting)
Rubik's Tube 7 (30)
Rubik's Tube 5 (60)
Rubik's Tube 2
Rubik's Tube 6 (60)
Rubik's Tube 9 (30)
Rubik's Tube 4 (60)
Thomas Parisch