This fashion doll could be just the thing for your child. It is recommended that children at least three years old play with this.
From Amazon
Wizarding World, Hermione Granger Collectible 8 inch Doll in Harry Potter Hogwarts Gryffindor Uniform with Accessories Kids Toys for Girls and Boys Ages 5 and up
Argos
Wizarding World Harry Potter Hermione Granger Doll - 21cm