algorithmic thinking 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… 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… Explore the Mysterious Number Pi (π) 5 years ago You have probably heard of the number Pi, that mysterious constant that goes on forever. We know it from mathematical… Fun activities for Practicing Matching Patterns 5 years ago Did you know math is often called “science of patterns”? Patterns are really all around us, we just need to… Women in STEM – Encouraging girls for STEM careers 6 years ago STEM fields are becoming increasingly important, but the number of women in them is still lacking. There are various reasons…