MUNCYT: Cuadernos Experimenta - Relatividad
First one of a series of brochures for Spain's National Museum for Science and Technology (MUNCYT) in order to spread scientific knowlegde among kids and grown ups alike. The series is called CUADERNOS EXPERIMENTA (Experiment Pads or something like that), and this one is about Alber Einstein's Theory of Relativity.
Following below, the illustrations in context.