The building blocks he has been using since he was 1 year old are still in use at the age of 9.
1歳頃から使っている積木は、9歳の今でも現役です。
Combining them with other toys, my son enjoys playing with them while imagining various things.
他のおもちゃと組み合わせて、息子は色々想像しながら遊んで楽しんでいます。