If they want to do it, they might as well do it the right way and with supervision.
A book of fascinating but slightly dangerous experiments that kids would love to do. The book explains the tests, the danger involved and give exact measures to protect the kids and prevent the danger from happening.
For the sci-fi lovers.
A website (and book) dedicated to recipes and techniques for cooking the food from popular science fiction books, movies, and TV shows.
It’s lots of fun making great looking and creative jewelry from inexpensive paper.
A book that teaches how to make jewelry from paper. Starting with easy to do and building to more complex techniques.
Many times ideas in one field are unknown in another and might be useful.
A book about ideas that came from one field and got adopted in another to great success.
Time is the most valuable thing on earth.
An essay or book, discussing the idea of man and time, and how it does and should help guide your life.