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Knock Knock Calculator

Knock Knock Calculator

Knock Knock is a clever Arduino-controlled calculator toy, designed for small children. The user knocks out a calculation on the surface — addition, multiplication, subtraction, or division — and Knock Knock will spit back the solution, in the form of knocks, of course. It’s a fun idea for a toy, but good luck trying to use this in secret during a “no calculators” test at school!

Tardigrade (Little Water Bear) Amigurumi

Tardigrade (Little Water Bear) Amigurumi

Tardigrades are tough little creatures. The tardigrade was originally named “kleiner wasserbär,” which means “little water bear” in German. They are tiny (~ 1 millimeter long), eight-legged animals that live in the water and can survive extreme heat, cold, and — get this — they can go without food or water for nearly 120 years! Pay tribute to the mighty tardigrade by crocheting an amigurumi tardigrade.

The World’s Best Yarn Storage Idea

The World’s Best Yarn Storage Idea

When I saw the title of this blog post over on Knits for Life, I internally rolled my eyes. “The world’s best yarn storage idea? Right…” But after I saw the images … I kind of agree! I have balls and skeins of yarn in random boxes, bags, and drawers all over my house. This yarn storage idea is great because it’s attractive and functional. Storing yarn on a pegboard has some very big plusses: you see every single color of yarn that you own, you get a piece of awesome, ever-changing wall art, and it probably absorbs echo in the room, to boot.