รายละเอียดย่อ :
Give children a head start in developing important basic number skills. Full color and the stickers make learning more enjoyable.
รายละเอียดทั้งหมด :
It's time to have lots of fun while learning numbers with Hello 123! This series is specially designed to help children aged 3-5 develop their early numerical skills.
Hello 123 Books 1 and 2 teach young children about numbers.
