Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
Potri_Crayon for Children
Ordinary crayon for age 3 to 7 is hard to grip and easier to break. So we suggest Potri, we use tetra port shape to make easier to grip and stable. Potri has same shape with every direction it is easy to grip and helps improving children's hand muscle.
It is able to change crayon's color by changing crayon part from silicon frame, you can keep replace it when crayon worn down. By ability to change different colors and its unique shape, children can play variety way to improve creativity.
Busan, South Korea
Sun Young Ha,
Ji Hyun Hwang ,
Dong A University
Eun Young Choi,
Ulsan National Insritute Of Science&Technologe University