Quadbot - Build your own Robot
Wren - Offset your carbon footprint by saving rainforests
Bitsbox - Monthly code projects for kids
Capture - A great free screen capture utility that allows you to capture either a window or the desktop and save it to either a file or the clipboard.
Harry Potter Kano Coding Kit - Build a wand. Learn to code. Make magic.
Treepoints - Fight climate change and earn rewards