Quadbot - Build your own Robot
amphetype - Advanced typing practice program
MODI - Create anything you want with robotics of things
Type Fu - Type Fu is an app that will teach you how to type fast. The right way. On Mac, Windows and Chrome OS.
Harry Potter Kano Coding Kit - Build a wand. Learn to code. Make magic.
Tach Typing Tutor - Tach Typing Tutor is an open-source advanced typing tutor for Windows that you can use to improve your typing speed, accuracy, and skills.