A nice free handbook that contains lots of secret activities. Download PDF Version – Letter size Download PDF Version – A4 size This video shows how to fold the book:
Tag: secret
You can use lemon juice, whole milk, or cream to write (or paint) an invisible message on a piece of white paper. To reveal the message you need to heat the paper up. Get a grownup to help you by putting the paper in a hot frying pan and hold it down with a pot…
This is a great way for kids to talk to each other without anyone knowing what they are saying (caution to kids, many parents used this secret language when they were kids so they will be able to pick up on what you are saying pretty quickly – so ask them. “Hey mom and dad, did…
Every kid should know a little about Morse code. This language was devised so that messages could be sent using a Telegraph machine. You see, long before there were phones, people would send messages using a machine called a Telegraph which could make only two sounds: a short beep, which they called a dot, and…
