Board books are waterproof (ish), rip-proof (mostly), and safe to put in a baby’s mouth. A printed PDF is none of those things.
When a child grows up seeing molecular structures alongside pictures of farm animals, they don't develop the "science is hard" bias that often hits in middle school. It becomes just another part of their world. 3. Visual Stimulation organic chemistry for babies pdf
Organic Chemistry for Babies is a board book by Chris Ferrie and Cara Florance that simplifies complex chemical structures into basic shapes. It is part of the popular Baby University Board books are waterproof (ish), rip-proof (mostly), and