Make Your Own Pencil Sharpener

Take a journey inside the world of objects to make a pencil sharpener to discover pinion gears. Assemble the sharpener using: spacers, bolts, screws, crank..and of course pinion gears.With this activity, you will learn about recycling! You'll need to collect an empty jar to make the tank. How does it work? Start by taking the wooden parts apart and sorting all the pieces. Assemble the pencil sharpener by following the instructions in the booklet. There are several steps: assemble the sharpener, then the mechanism with the crank separately and finally assemble the two together. Find an empty jar with a diameter of 8 cm (the most common one): fix the sharpener on it with the help of rubber bands, you will use it to collect the peelings of the sharpener. What will you learn? - The different types of gears - Right angle gears - The use of pinion gears in everyday objects - Recycling What will you find in the kit? Wooden parts, two pinion gears, spacers, a journal, glue, stocker