Paul Ohmann
· 8 obras en el catálogo
Obras
How airplanes work
Gertrude and Reginald the monsters talk about living and nonliving
Joe-Joe the wizard brews up solids, liquids, and gases
Captain Kidd's crew experiments with sinking and floating
Do-4U the robot experiences forces and motion
Mad Margaret experiments with the scientific method
Lance Dragon defends his castle with simple machines
