Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
RO-Scale RR Museums Inc.

RO-Scale RR Museums Inc. #15945505

690
members (measured 21 Oct 2026, 01:48 UTC)
18 September 2022
created (per Roblox API)
10 August 2026
first measured by this register

Membership history

Growth

671690680.510 August 2026 — 671 members12 August 2026 — 672 members13 August 2026 — 673 members17 August 2026 — 674 members21 August 2026 — 675 members22 August 2026 — 677 members25 August 2026 — 678 members31 August 2026 — 679 members10 September 2026 — 680 members16 September 2026 — 681 members19 September 2026 — 682 members23 September 2026 — 683 members2 October 2026 — 685 members4 October 2026 — 686 members6 October 2026 — 687 members18 October 2026 — 689 members21 October 2026 — 690 members10 August 202621 October 2026
17 measurements spanning 72 days, net +19. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 668–693 and does not start at zero.
Measurement log — every members count we have recorded
Measured (UTC)MembersChange
21 Oct 2026, 01:48690+1
18 Oct 2026, 11:32689+2
6 Oct 2026, 14:06687+1
4 Oct 2026, 15:44686+1
2 Oct 2026, 07:24685+2
23 Sept 2026, 00:20683+1
19 Sept 2026, 19:40682+1
16 Sept 2026, 02:00681+1
10 Sept 2026, 04:32680+1
31 Aug 2026, 14:00679+1
25 Aug 2026, 05:21678+1
22 Aug 2026, 20:10677+2
21 Aug 2026, 04:44675+1
17 Aug 2026, 10:21674+1
13 Aug 2026, 20:12673+1
12 Aug 2026, 05:39672+1
10 Aug 2026, 12:14671first reading

Ownership

Owned by F40PH (@SumRandomCaliRailfan) as measured.

Claimed by user #137624657 — observed between sweeps, detected 10 Aug 2026, 16:33 UTC

Detection dates bound when a change was seen by this register, not when it happened.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Experiences

1
players in this group’s experiences right now
57,738
lifetime visits across 2 experiences

Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.

Members we’ve seen

F40PH (@SumRandomCaliRailfan) — Owner (rank 255)

Kerbal_Surfliner (@surfliner_dude28) — Rail Dev (rank 25)

@Derekanic — Rail Dev (rank 25)

Christopher (@CBProductions05) — Rail Dev (rank 25)

PacificDev (@PacificDev1996) — Rail Dev (rank 25)

F59PHI (@F59PHIMakesTrains) — Rail Dev (rank 25)

Abbiegail (@RailRoadGirl4012) — Rail Dev (rank 25)

IronGoat (@Xmantan52) — Rail Dev (rank 25)

Rail (@Railfan4014YT) — Rail Dev (rank 25)

Canadianluke (@MinecraftCleoTheCat) — Rail Dev (rank 25)

Not_g (@TWR2023_railfan) — Rail Dev (rank 25)

Chase (@PizzaChase2011) — Rail Dev (rank 25)

Spo0ky1500 (@danielthetrayer) — Rail Dev (rank 25)

@dirtbags2317 — Rail Dev (rank 25)

707_Key (@Emonie_Gamer) — Member (rank 1)

Dragon Mahle (@Dragonmahle42) — Member (rank 1)

RailfanEngineThomas1 (@Trainsfomers3) — Member (rank 1)

Tweetsie190Lover (@TweetsieRR190Railfan) — Member (rank 1)

Guest Was_Here (@JAKE2377567) — Member (rank 1)

ThomasBEDT15_Pro (@StrasburgRailroad_89) — Member (rank 1)

@appleheads1 — Member (rank 1)

Didotrain (@didotrain_19) — Member (rank 1)

NSDash9_9581 (@Lando832Alt) — Member (rank 1)

Pip_Pirrip (@Gompong1025) — Member (rank 1)

@Maxthecat1986 — Member (rank 1) terminated

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

Owner1
Admin0
Beta Tester0
Rail Dev17
Member672
Member654
Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.