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The pencil sharpener is a simplified three-wheel forklift model. The feature of the product is it can operate without electricity. According to the transmission principle ,the car only depend on the wheel drive gear structure，when sharpen a pencil ,just pull back and loose it , the pencil is being sharpened as it drives forward, Pencil crumbs drawer is made by transparent material to tell users whether the drawer is full or not,The yellow transparent material and drawer would develop intelligence of kids as they can see internal structure . the product is very interesting as it is also a toy.
Fanxi Tang, Ran Shi,Yaqiong Tan,Qiuying Xu