Kumon Riddle Calendar 2026
Kumon Why-Why Calendar 2026 (Reiwa 8 Edition)
*No cutouts or stains. (^^)
*Multiple copies available!
If you wish to purchase 2 or more copies, please let us know the desired quantity in the comments.
One question a day, a treasure trove of knowledge every day.
Packed with fun why questions about daily life, animals, plants, insects, dinosaurs, vehicles, the human body, Earth/space, history, inventions/discoveries, events, and words.
The Sunday special for the 2026 edition is Names of Things.
Guess the name by looking at the picture on the front! The answer (name) and its usage and meaning are listed on the back. Vocabulary grows and interest in culture is sparked every Sunday.
■Cover: Akira Ichikawa
■Illustrations: Shusaku Kodama / Yuki Yotsumoto / Hiroyuki Kuwana
■Photos: NYK Cruises Co., Ltd. / PIXTA / shutterstock
■Target: Toddlers and up
■Size: 26.2cm (H) x 25.0cm (W) x 0.2cm (D)
■Pages: Full color, 24 pages
■Specifications: Wall-hanging type
■Weight: Approx. 140g
■Release Date: October 2025
★ Please note that we may use reused or recycled materials for packaging.
Year: 2026
Features: For Kids / Educational / Kanji / Interest / Education
CategoryCalendars & PlannersBrandKUMONConditionNew/unusedShippingIncluded in price (by seller)FromUnspecified
SHIPPINGS
Free shipping in Spanish mainland, Balearic Islands and Portugal.
For other countries the shipping cost will be paid by the client.
DELIVERY TIME (as of delivery)
Spanish mainland, Balearic Islands and Portugal: 1-2 working days.
Other countries, we attach a table with those that are open in the online store, indicating transporter and transit days.
The return period is 14 calendar days from the receipt of the order.
Carriers for change of size in Spanish mainland, Balearic Islands and Portugal, are in charge of 24HRS.