Technology How to make and Use Cipher Wheel 4 years ago Learn how to make a simple cardboard Cipher Wheel. Encrypt and Decrypt secret messages, and learn Numbers, Letters, and Cryptography. How to make and solve the Tower of Hanoi 4 years ago Learn how to make and solve Tower of Hanoi puzzle. It's easy to make and great for algorithmic thinking, pattern… How to Make a Cardboard Projector using Smartphone and Magnifying Glass 4 years ago Learn how to make a simple homemade Projector using a Smartphone, Magnifying Glass and a cardboard box in this great… Learn to Program with Scratch 4 years ago Programming is one of the most popular and useful skills these days. But let’s say it’s not one of the… How to make a cardboard clock and learn to tell the Time 6 years ago Does your child know what time it is? No worries. Learning to tell the time can be an exhausting process… What is STEM and why is it important? 6 years ago STEM – seems that’s everyone’s favorite buzzword lately and for a good reason. But what does it mean? STEM is… Exploring STEM fields 7 years ago It's important to know what does STEM stand for. You probably already know that that's acronym for Science, Technology, Engineering…