Breakdown of the 3 types: Number of pieces can be changed. Please contact us before purchase. If not, the breakdown will be as follows: Shuwa Shuwa Infant: Regular 5 pieces Shushu Infant: Regular 5 pieces Shushu Elementary School Student: Regular 10 pieces ☆☆☆☆☆☆☆☆☆☆☆ 【Shuwa Shuwa】Infants to Lower Elementary School Grades This is a cute toothbrush for infants with pastel colors. It can also be used for finishing brushing. Size for small baby teeth For the first time brushing by themselves For finishing brushing Infants to lower elementary school grades The thick handle makes it easy for small children to handle. The compact head allows the brush to reach areas where plaque tends to remain on the cheek and tongue sides. Total length 141mm Head: 8.2 x 17mm Pink, Yellow, Green, Blue Made in Japan 【shushu Infant Toothbrush】 The shushu infant toothbrush has been renewed. The handle design has been thickened and rounded, making it easier for children to hold. ●Target age: 3-6 years old ●Type: Flat bristles ●Bristle type: PBT (saturated polyester resin) ●Head size: Width 8.54 x Length 17mm ●Total length: 140mm ●Number of tufts: 17 【shushu Elementary School Student Toothbrush】 The shushu elementary school student toothbrush has been renewed. It has an easy-to-grip handle that fits the thumb and a compact head that is easy to operate. ●Target age: 6-12 years old ●Type: Flat bristles ●Bristle type: PBT (saturated polyester resin) ●Head size: Width 8.73 x Length 19mm ●Total length: 150mm ●Number of tufts: 20