Easy to use, just insert a pencil to switch it on very good size ... the current format pencils, bit noisy. Indispensable when you have children colorieurs!
Small regret: the tray is a bit small, and it's not really a tray: one must open above the trash.
The current price of 10.99 in promo warranted, the normal price of 17.99 seems a bit excessive.
Erwann on Amazon.com