Physical play — rough-and-tumble: Foundations: Build the foundational understanding of rough-and-tumble play—what it actually is, why bodies need it, and how it differs from aggression. You'll learn the biomechanics and psychology that make wrestling, chasing, and playful collision essential rather than reckless.

Unlock why rough-and-tumble play is essential for your development. Discover the science behind wrestling, chasing, and playful collision—and how it differ