Collection: Children's Science / Summer Sale

This is a summer vacation campaign to express our gratitude to our customers who regularly patronize ``Children's Science'' and ``Kokanet.''

By using the coupon code distributed in the email newsletter, you can purchase all books listed on this page at a 10% discount . Until 23:59 on Saturday, September 30, 2023.

*A separate shipping fee of 550 yen (uniform nationwide) will be charged.

*The thank-you price is only available to Kokanet members who have been notified of the coupon code by us in advance. Please note.