Stemming from his work with the Brain Age series, Iwata assisted in producing educational titles such as Kanji Sonomama Rakubiki Jiten DS, English Training: Have Fun Improving Your Skills!, and Imasara Hito ni Kikenai Otona no Joushikiryoku Training DS.
Dari karyanya pada serial Brain Age, Iwata membantu produk-produk pendidikan seperti Kanji Sonomama Rakubiki Jiten DS, English Training: Have Fun Improving Your Skills!, dan Imasara Hito ni Kikenai Otona no Joushikiryoku Training DS.