PLAY Make your own hand crank pencil sharpener using bevel gears.
Assemble more than 30 parts : washers, bevel geras, screws, wooden parts.
LEARN Discover how bevel gears work, gears ratios and power transmission.
RECYCLE To build the shavings reservoir, you will have to find an empty jar.
Learn about recycling and how to give a second life to the objects around you !
Build the a hand crank pencil sharpener and learn how bevel gears work.
Upcycle ! Give a new life to an empty glass container !