You can imitate the motion of P and S waves using a Slinky® (the metal ones work best).
The Tectonic System – Planet Earth
P-wave and S-wave paths through the earth
Seismic Slinky: Modeling P and S waves in the classroom- Incorporated Research Institutions for Seismology
1-Component Seismogram: Building responds to P, S, surface waves- Incorporated Research Institutions for Seismology
Determining P and S wave differences
EARTHQUAKES. Features of Earthquakes Seismic Waves Seismic waves
Are ALL waves the same? - AMAZING 8TH GRADE SCIENTISTS
P-waves and S-waves - which are faster?
ES 10 Lecture 20 - Earthquakes Greg Anderson