Somersault swing

Sound and visual display apparatus

Sound producing straw

Sound reproducing apparatus

Sound reproducing mechanism for toys

Sound reproducing unit

Sound reproducing unit

Sound reproducing unit tone arm

Sound track selector system for phonograph record players

Sound track unit for audio-visual apparatus

Sounding device

Space toy

Space tumbler

Speed and striking bag frequency device

Speed-adjusting mechanism of a tread mill

Spherical recreational hollow body

Spherical rolling cage for recreation and entertainment

Spinal column support attachments for a weight lifter's bench

Spinal exercising apparatus

Spindle adapter