LEGO Set

ROBOLAB Amusement Park Set

9725-1

Released: 1999 · Parts: 248 · Theme: RCX

ROBOLAB Amusement Park Set (9725-1) is a RCX LEGO set released in 1999 with 248 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing RCX sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 82 unique part types.

→ Browse the full parts inventory
→ Verify loose bricks with our free part scanner
→ Check market value for parts and minifigs

Buying checklist

Quick context before you buy this set used or verify a marketplace listing.

Release year

1999 (27 years ago — may be retired)
Catalog scale

248 parts listed · 82 inventory lines tracked
Minifigures

No minifigs in inventory (brick-only or Technic set)
Build manual

No digital manual in our catalog — check the box tab or LEGO.com
Gray era

Pre-2004 set — may use old light/dark gray instead of bluish gray
Shipping weight (est.)

~480 g for parts inventory (excludes box/minifig packaging)
Before you buy used

Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing

Check completion What can I build?

Related sets in this theme

ROBOLAB Amusement Park Set

9725-2 · 2002 · RCX

270 parts

Robo Technology Set [USB Cable]

9786-1 · 2003 · RCX

222 parts

Robo Technology Set (Serial Cable)

9785-1 · 2003 · RCX

221 parts

ROBOLAB Amusement Park Set

9725-3 · 2005 · RCX

306 parts

ROBOLAB Intelligent House Building Set

9795-1 · 2001 · RCX

164 parts

Infrared Transmission Tower

9713-1 · 1998 · RCX

2 parts

Infrared Transmitter with USB Cable

9783-1 · 2001 · RCX

1 parts

RCX Programmable Brick

9709-1 · 1998 · RCX

1 parts

Market value

No estimate on BrickID yet

We don't pull live prices from marketplaces automatically — that requires paid seller API access. Check live listings below, or be the first to share a price you paid or saw.

Check live listings →

Share a price you paid or saw

Help other collectors — we aggregate anonymous reports on this page.