idoto, crutches for children, is a design product upgrading usability, stability and functionality considering children's bodies. It brings several advantages like these: 1. idoto has handles adjustable to the length of the child's body. 2. idoto applies rubber on the supports for relieving shoulder pain.* 3. idoto has spring-structure for smooth walking.* 4. idoto raises attentiveness through reflect-light on the lower part. *) Double pain relief effect by dual buffer. idoto developed its shape design as cute looking familiar to children. It is harmonizing the shape of a cute stick. Additionally, it gives warmth to children using colors of vitality.