Contact Information

Consumers

For questions regarding product content, missing or defective parts, and other questions, contact the following address.
https://contact.gakken.jp/user/op_enquete.gsp?sid=1174&mid=000381sv&hid=SS9993J30_0
* Be sure to include your name and address in your email when you contact us. (This information will become necessary when we send the parts, etc.)

Corporate Customers

For questions regarding the sales and manufacturing of “Otona no Kagaku” and other questions, contact the following address.
https://contact.gakken.jp/user/op_enquete.gsp?sid=1174&mid=000381sv&hid=SS9993J30_0