Ages 14+
Ages 14+

Electric Pencil Sharpener


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What you get

Sharpen some pencils — and your engineering knowhow — with a pencil sharpener you built yourself! Follow step-by-step instructions to construct the core, add the battery, and wire your mechanism up. Then learn about the invention of pencils, the evolution of sharpener design, and cool engineering features in your sharpener (like the limit switch, which lets the electric circuit know when your pencil is in the sharpener, causing it to automatically switch on)!

Product line:eureka Crate Logoeureka CrateQuestion mark graphic




From the desk of the product designer:

Behind the design

What do innovators, inventors, artists, and engineers have in common? All their ideas start with pencil and paper. With this pencil sharpener and holder combo, you'll always have a pencil handy too for your next great idea.
- The KiwiCo Product Design team

By the numbers

Motor's gear ratio: 1

Trigger switches tested: 7

Exclusive Eureka pencils in this crate: 4

Additional details



13 reviews

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My brilliant 10 yr old grandson LOVED this one. One of the legs did break and had to be glued, but no big deal. He is switching from Tinker to Eureka. Keep the great kits coming!


Love, love, love! My almost 12 year old had a blast putting this together and using at his desk! Such a great project!


Awesome! My 14 year old daughter loved it! Took her about a half hour!