[Answer] 4. Which sticky invention had its origin in country walks and has saved millions of schoolchildren from having to learn how to tie shoelaces?

Step 1 : Introduction to the question "4. Which sticky invention had its origin in country walks and has saved millions of schoolchildren from having to learn how to tie shoelaces?"

...1. Hook and eye 2. Velcro 3. Sellotape 4. Zipper Swiss engineer George de Mestral got the idea for Velcro by studying the burrs that stuck to his clothes after country walks. It still took him eight years to perfect his invention, which consists of a nylon strip composed of tiny hooks and a matching strip of nylon loops. Velcro is now found in lots of places, including shoes.

Step 2 : Answer to the question "4. Which sticky invention had its origin in country walks and has saved millions of schoolchildren from having to learn how to tie shoelaces?"

Velcro:

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