GUNDAM BASE visit decision: October 29, 2026 (UTC)
For the goal-based visit decision table, the official facility guide confirms the main store on DiverCity 7F and the Annex on 2F. The Tokyo operating notice states that the build room is suspended until further notice. Only those facts were rechecked for this edit. Earlier hours, account/identity and stock records retain their own dates.
The decision table is our editorial comparison method, not a field-tested itinerary or measured queue estimate. No visit, purchase, stock confirmation or new price claim. The October 28 cost-comparison link remains in place.
Checks: October 11, 2026
The October 11 check covers only the three Nipponbashi branches, selected floors, published hours and the dated Volks exception. Dates and time zones are specified in each entry; this is not a recheck of every guide or source.
Nipponbashi shopping comparison — October 11, 2026 (JST)
Limited source review for the Nipponbashi shopping sheet: three branch names, addresses, standard hours and selected floor categories. Joshin’s store page supports its address, hours and product fields; its floor allocation is from Osaka Convention & Tourism Bureau, not a direct operator-floor confirmation. Kotobukiya Nipponbashi and Volks Osaka publish their own floor details. Kotobukiya’s branch page was reviewed directly in a browser.
Historical note: Volks’s noon-opening exception applied only on October 14, 2026 (JST), separate from standard hours. Original source URL: https://www.volks.co.jp/cs/news/20261014_business_information.html. Link-status update October 15, 2026 at 23:10 UTC: the automated link check returned HTTP 404, so the source is retained as a historical citation rather than a live visit-planning link. The original SVG is a category summary, not a geographic route, inventory report or firsthand visit. Published categories do not guarantee an exact kit or part. Earlier research dates remain below.
Earlier dated checks
The entries below retain their own check dates and scope. They were not reverified as part of the October 11 additions.
Akihabara time plan and exact ENTRY GRADE versions
Checked October 4, 2026 (UTC). Radio Kaikan's floor list and linked tenant pages support the four-hour station-to-station example; the time allocations are editorial, not measured travel or queue times. Bandai's instruction record and product pages distinguish the standard RX-78-2, Light Package and Full Weapon Set in the version example. Sofmap and HLJ publish differing standard-box dimensions; these are retailer figures, not our measurements.
No store visit, stock check, assembly trial, packing trial or shipping-service verification. Earlier records keep their original dates.
Tax-free departure: keep the goods before bag drop
Checked October 4, 2026 (UTC). We rechecked Japan Tourism Agency refund-method guidance, Japan Customs departure FAQ, and Narita Airport international departure guide for the tax-free shopping guide. Purchases from November 1, 2026 require all tax-free goods to be present at the terminal and any required inspection to finish before baggage check-in. Earlier purchases retain the current procedure: goods intended for checked baggage need Customs confirmation before the airline takes them. Carry-on-only travelers must follow their airport's official Customs sequence too.
Government and airport sources; no individual eligibility determination or firsthand airport procedure test. Earlier retailer checks keep their original dates.
Luggage fit: October 4, 2026
We corrected the large-box luggage guide so padded dimensions, orientation, the opening and an actual fit test come before volume. Our illustrative counterexample is 50 × 20 × 10 cm = 10 L versus a 35 × 25 × 20 cm space = 17.5 L. The space’s diagonal is the square root of (35² + 25² + 20²), approximately 47.4 cm, shorter than the box’s 50 cm edge. A larger volume therefore does not establish a fit in any orientation.
We also rechecked IATA’s passenger baggage guidance: baggage allowances and conditions remain airline-specific. This is separate from whether a box fits inside your suitcase.
Checked October 4, 2026 (UTC) · Editorial geometry calculation and IATA source check · No specific kit, suitcase, padding system or packing trial was measured. The numbers are a counterexample, not a carrier allowance or a general fit calculator.
Joshin access and floors: October 4, 2026
For the Tokyo and Osaka guide’s Joshin stop, we rechecked the operator’s branch page: 4-12-4 Nipponbashi and daily 10:00–20:00. The Osaka tourism bureau’s English listing agrees on both and adds Ebisucho Station exit 1-B, about four minutes on foot, plus category floors: Gunpla 1F, scale models/paint/tools 2F, Tamiya World 3F, RC 4F and railway models 5F.
Checked October 4, 2026 (UTC) · Operator and official tourism sources · The operator page does not itself specify category floors. The tourism listing shows no update date; we record when we read it, not when the store layout last changed. No firsthand route test, floor inspection or product-stock check.
Store and route checks: October 2, 2026
The following checks support the Tokyo and Osaka shortlist and Tokyo day-route choices. A listed category or floor is not evidence of a particular kit on the shelf.
THE GUNDAM BASE TOKYO: use the operating notice
Verified: the Tokyo operating notice lists weekdays 11:00–20:00 and weekends/holidays 10:00–21:00, with date-specific lottery/web-ticket information. A limited general-entry area can have its own restrictions.
The facility guide confirms 7F main shop, 2F Annex, 1-1-10 Aomi, and approximate mall access from Tokyo Teleport exit B or Daiba. Its general 10:00–21:00 hours are qualified by a modified-hours warning. Use the operating notice for the visit schedule.
Checked October 2, 2026 · Operator sources · No future entry, stock or restock date confirmed.
Volks Akihabara Hobby Paradise 2
Verified: the branch page gives 4-2-10 Sotokanda, weekdays 11:00–20:00 and weekends/holidays 10:00–20:00. The floor guide places paint/tools/materials on 3F and character kits/toys on 4F. Radio Kaikan’s Hobby Square is a separate shop.
Checked October 2, 2026 · Operator sources · Product availability and event admission not verified.
Tamiya Plamodel Factory Tokyo
Verified: the flagship site lists Shintora Yasuda Building 1F, 4-3-1 Shimbashi; weekdays 11:00–20:00; weekends/holidays 10:00–19:00. It gives about five minutes from JR Shimbashi’s Karasumori exit and provides a separate Modelers Square status/calendar.
Checked October 2, 2026 · Operator source · Walking estimate is the operator’s; no route test or future workspace availability confirmed.
Joshin Super Kids Land main store
Verified: the branch record gives 4-12-4 Nipponbashi and daily 10:00–20:00. Its categories include plastic models, Gunpla, railway models and RC. It provides route-search links.
Checked October 2, 2026 · Operator source · Category floors and individual kit stock were not established by this page.
Kotobukiya Akihabara
Verified: the Japanese branch guide gives Okajima Building, 1-8-8 Sotokanda and daily 11:00–20:00. Its 2F list includes Frame Arms, Megami Device, HMM Zoids, Kotobukiya kits, M.S.G, tools and materials.
Checked October 2, 2026 · Operator source · Series categories do not confirm a specific release.
Kotobukiya Nipponbashi: hours differ by language
Verified: the Japanese page gives 4-15-18 Nipponbashi, weekdays 12:00–20:00 and weekends/holidays 11:00–20:00. Both it and the English floor guide place model kits, M.S.G and tools on 3F.
The English hours say “12 a.m.” and omit the weekend distinction. Our hours follow the Japanese branch page; we do not interpret the English wording as midnight opening.
Checked October 2, 2026 · Operator sources · Floor correction retained; no stock or temporary-closure guarantee.
Radio Kaikan: building hours and tenant floors
Verified: the building’s access page lists 10:00–20:00 and 1-15-16 Sotokanda. Its directory lists AmiAmi on 4F, Yellow Submarine on 6F and Volks Hobby Square on 8F.
Checked October 2, 2026 · Building operator · Individual tenants’ date-specific hours were not rechecked in this pass.
Earlier checks: October 1, 2026
These retain the scope and date of the earlier review. For Tokyo operating hours, use the October 2 branch-notice check above.
THE GUNDAM BASE TOKYO and Tokyo Annex
What we verified: the official site lists THE GUNDAM BASE TOKYO at DiverCity Tokyo Plaza 7F and Tokyo Annex at 2F. The facility page showed a general 10:00–21:00 window tied to DiverCity, but that is not the current weekday schedule; see the newer operating-notice check above. The main Tokyo facility is described as approximately 600 tsubo.
THE GUNDAM BASE — official site ↗
Checked 1 October 2026 · First-party operator source · Recheck current operating status before travelling.
Entry may be restricted
What we verified: the 2026 official operating guidance warns that entry can be restricted because of congestion and that, depending on the restriction, visitors may be unable to enter for the entire day.
2026 store operating guidance ↗
Checked 1 October 2026 · First-party operator source · Date-specific entry methods can change.
Restock dates are not promised
What we verified: the same official operating guidance says sale dates for restocked items are undecided and inquiries about those dates are not accepted. The Tokyo facility page likewise says it cannot answer restock schedule questions.
Official operating guidance ↗ · Tokyo facility guide ↗
Checked 1 October 2026 · This is why SprueVia does not present a future restock date as confirmed without a dated official announcement.
What this log does not prove: that a particular kit will be on the shelf, that normal entry will apply on your date, or that listed standard hours override a temporary operating notice.
How we decide what counts as evidence →
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