Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Robber's Retreat since May 2016. Very high accuracy
LEGO 6088 Robber's Retreat was a 277 piece Castle set with 4 minifigs released in 1998. It includes Kata, the Robber Chief, and two Black Ninja minifigures and features a three-story fortress with a large double-door entry, sword stand with hidden compartment, booby-trap katana beam, balcony, and functional catapult. It was also called "Robber Baron's Stronghold."

The current value for a new and sealed Robber's Retreat is estimated at $274, with an average annual growth of approximately 4%, which is lower than other Ninja sets. On secondary markets, the typical price range for the set MISB/NISB is between $240 and $323. Current used prices for Robber's Retreat range from $57 to $82, depending on the set's condition, with an average price of $68 for those in good overall condition.

For Sale (New/Sealed)

(US) *** Best US listing for Robber's Retreat ***
BrickEconomy Choice
$339.00
(US) This set is in good shape, single owner set. Has been in storage since new. Minor she... $238.00
-13.0%
(US) This set is Brand New and Sealed. We are the original owner and bought it new off the... $242.25
-11.4%
(UK) Original price sticker on box. Photo available on request $270.71
-1.0%
(CA) New Complete in Box+InstructionGlue Residue where Price Tag came OffOpened by MESet N... $297.99
+8.9%
(US) BrickLink store kidoblocks $300.00
+9.7%
(US) Castle Ninja 6088, Robbers Retreat $339.00
+23.9%
(US) 6088 NINJA ROBBERS' RETREAT Factory Sealed $379.99
+38.9%
(US) 6088 NINJA ROBBERS' RETREAT NIFSB $450.00
+64.5%
(US) Retired LEGO Castle Ninja 6088, Robbers Retreat $500.00
+82.8%

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 6088 Robber's Retreat.

Sets in Castle / Ninja

6093 Flying Ninja Fortress

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 694 / 9
Availability Retired
6093 LEGO Castle Flying Ninja Fortress
Retail $89.99
Value $770.87
Growth  +756.6%
Annual growth 7.7%

6089 Stone Tower Bridge

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 409 / 5
Availability Retired
6089 LEGO Castle Ninja Stone Tower Bridge
Retail $49.99
Value $481.90
Growth  +864.0%
Annual growth 6.4%

6083-2 Samurai Stronghold

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 198 / 3
Availability Retired
6083-2 LEGO Castle Ninja Samurai Stronghold
Retail $19.99
Value $193.18
Growth  +866.4%
Annual growth 6.3%

6045 Ninja Surprise

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 112 / 3
Availability Retired
6045 LEGO Castle Ninja Surprise
Retail $12.99
Value $90.48
Growth  +596.5%
Annual growth 5.4%

6033 Treasure Transport

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 54 / 3
Availability Retired
6033 LEGO Castle Ninja Treasure Transport
Retail $5.99
Value $62.83
Growth  +948.9%
Annual growth 6.9%

3017 Ninpo Water Spider

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 25 / 1
Availability Retired
3017 LEGO Castle Ninja Ninpo Water Spider
Retail $1.99
Value $19.17
Growth  +863.3%
Annual growth 5.8%

3018 LEGO Shogun Go!

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 25 / 1
Availability Retired
3018 Castle Ninja LEGO Shogun Go!
promotional
Value $112.69
Annual growth 5.1%

3016 Master and Heavy Gun

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 24 / 1
Availability Retired
3016 LEGO Castle Ninja Master and Heavy Gun
promotional
Value $57.34
Annual growth 7.5%

3019 Ninpo Big Bat

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 23 / 1
Availability Retired
3019 LEGO Castle Ninja Ninpo Big Bat
Retail $1.99
Value $20.86
Growth  +948.2%
Annual growth 6.9%

6013 Samurai Swordsman

Theme / Subtheme Castle / Ninja
Year 1998
Pieces / Minifigs 13 / 1
Availability Retired
6013 LEGO Castle Ninja Samurai Swordsman
Retail $2.99
Value $44.07
Growth  +1373.9%
Annual growth 8.5%