Grade 3-5 Yi Wu and His Invention – BB Cup February 27, 2020 by ide Grade 3 Chinese inventor invented a cup that can clean toothbrush and cup when brushing teeth. Continue Reading
Grade 3-5 Jialian and Her Invention – Shoelace Partner February 27, 2020 by ide Grade 5 Chinese girl’s invention help people easily to tie their shoes. Continue Reading
Grade K-2 Towel Wringer February 27, 2020 by ide Grade 2 Runxin invented a machine to help young children wring the towel. Continue Reading
