Burr

Samarium
Saturn
Screech owl
SEARious Burr
Secret Burr
Sidestep I
Sierpinski's Burr
Six Boards Burr #1
Six Part Burr
Six Piece Cylindrical Burr
Six-Piece Burr (Mini)
Sixticks
Skirt
Skirt 2
Slidecage
Slider 2
Slideways Burr
Sloop III
Smiley Burr