年龄范围
2-4 年, 5-7 年, 8岁至13岁, 14岁以上
Certificate
HR4040/EN62115/ASTM/7P/EN60825/CPC
Packing
Color Box, and can customize the packing
Quantity/Carton
48 boxes, and can change the quantity per carton
Pen size/ book size
15*3.3 CM/ 26*22*1.5 CM
Battery for pen/book
2 x 1.5V AAA / 2 x 1.5V AA (Not include)