Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Grimkeeper the Cage Monster since January 2025. Medium accuracy
LEGO 71455 Grimkeeper the Cage Monster was a 274 piece DREAMZzz set with 2 minifigs released in 2023. It consists of a buildable villainous Grimkeeper with a cage torso, two building options for Z-Blob (mini-plane or hoverbike), and includes minifigures of Mateo and Cooper with accessories. It was retired in January 2025 with a lifespan of 17 months.

For Sale (New/Sealed)

(CA) LEGO DREAMZzz Grimkeeper the Cage Monster 71455 $29.23
-23.1%
(US) NEW SEALED Lego DREAMZzz Grimkeeper the Cage Monster Set 71455
BrickEconomy Choice
$29.95
-21.2%
(US) Dreamzzz: Grimkeeper the Cage Monster (71455) - Brand New Sealed in Box $29.99
-21.1%
(US) Dreamzzz: Grimkeeper the Cage Monster (71455) $29.99
-21.1%
(US) LEGO DREAMZzz Grimkeeper the Cage Monster 71455 $29.99
-21.1%
(US) DREAMZzz Grimkeeper the Cage Monster 71455 $29.99
-21.1%
(US) - DREAMZZZ - GRIMKEEPER THE CAGE MONSTER #71455 - Brand New Sealed $29.99
-21.1%
(US) LEGO DREAMZzz71455-1 Grimkeeper the Cage Monster $33.99
-10.5%
(US) Dreamzzz Grimkeeper The Cage Monster 71455 NEW Sealed Inv-1371 $34.95
-8.0%
(US) LEGO DREAMZzz Grimkeeper the Cage Monster 71455 Sealed New 71455 $34.95
-8.0%
(CA) Grimkeeper the Cage Monster LEGO Dreamzzz 71455 Sealed Set $36.53
-3.8%
(US) Dreamzzz: Grimkeeper the Cage Monster 71455 2x Both Sealed W/Damage Lot $36.64
-3.6%
(US) DREAMZzz Grimkeeper the Cage Monster 71455 Building Toy Transforms $36.99
-2.6%
(US) DREAMZzz Grimkeeper The Cage Monster 71455 Building Toy Transform IN STOCK $37.35
-1.7%
(US) LEGO DREAMZzz Grimkeeper the Cage Monster 71455 [New Toy] Brick $37.99
(US) LEGO DREAMZzz Grimkeeper the Cage Monster 71455 $37.99
(US) Dreamzzz 71455 Grimkeeper The Cage Monster $37.99
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Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 71455 Grimkeeper the Cage Monster.

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 71455 Grimkeeper the Cage Monster.

Minifigs

Grimkeeper the Cage Monster contains 2 minifigs. The minifigure is exclusive to this set.

Sets in DREAMZzz / Trials of the Dream Chasers

71469 Nightmare Shark Ship

Year 2023
Pieces / Minifigs 1,389 / 4
Availability Retired
71469 LEGO DREAMZzz Trials of the Dream Chasers Nightmare Shark Ship
Retail $139.99
Value $171.47
Growth  +22.5%

71461 Fantastical Tree House

Year 2023
Pieces / Minifigs 1,257 / 4
Availability Retired
71461 LEGO DREAMZzz Trials of the Dream Chasers Fantastical Tree House
Retail $109.99
Value $89.95

71460 Mr. Oz's Spacebus

Year 2023
Pieces / Minifigs 878 / 10
Availability Retired
71460 LEGO DREAMZzz Trials of the Dream Chasers Mr. Oz's Spacebus
Retail $99.99
Value $80.00

71459 Stable of Dream Creatures

Year 2023
Pieces / Minifigs 681 / 4
Availability Retired
71459 LEGO DREAMZzz Trials of the Dream Chasers Stable of Dream Creatures
Retail $79.99
Value $74.00

71458 Crocodile Car

Year 2023
Pieces / Minifigs 494 / 5
Availability Retired
71458 LEGO DREAMZzz Trials of the Dream Chasers Crocodile Car
Retail $59.99
Value $60.69
Growth  +1.2%

71457 Pegasus Flying Horse

Year 2023
Pieces / Minifigs 482 / 4
Availability Retired
71457 LEGO DREAMZzz Trials of the Dream Chasers Pegasus Flying Horse
Retail $49.99
Value $54.16
Growth  +8.3%

40657 Dream Village

Year 2023
Pieces / Minifigs 434 / 4
Availability Retired
40657 LEGO DREAMZzz Trials of the Dream Chasers Dream Village
Retail $29.99
Value $34.94
Growth  +16.5%

71456 Mrs. Castillo's Turtle Van

Year 2023
Pieces / Minifigs 434 / 5
Availability Retired
71456 LEGO DREAMZzz Trials of the Dream Chasers Mrs. Castillo's Turtle Van
Retail $47.99
Value $76.09
Growth  +58.6%

71453 Izzie and Bunchu the Bunny

Year 2023
Pieces / Minifigs 259 / 2
Availability Retired
71453 LEGO DREAMZzz Trials of the Dream Chasers Izzie and Bunchu the Bunny
Retail $19.99
Value $18.00

71454 Mateo and Z-Blob the Robot

Year 2023
Pieces / Minifigs 237 / 2
Availability Retired
71454 LEGO DREAMZzz Trials of the Dream Chasers Mateo and Z-Blob the Robot
Retail $19.99
Value $20.23
Growth  +1.2%

30636 Z-Blob and Bunchu Spider Escape

Year 2023
Pieces / Minifigs 44 / 1
Availability Retired
30636 LEGO DREAMZzz Trials of the Dream Chasers Z-Blob and Bunchu Spider Escape
promotional
Value $2.18
Annual growth 31.4%
Kids aged 7+ battle a fearsome nightmare figure in the LEGO® DREAMZzz™ Grimkeeper the Cage Monster (71455) building set. Based on the action that takes place on the DREAMZzz TV show, the set lets kids build the villainous Grimkeeper and then help Mateo and Z-Blob rescue their friend Cooper from his evil clutches before he takes him to the Nightmare King.


1 set, 2 adventures
To rescue Cooper from the Grimkeeper, kids can choose between 2 building options. They can build Z-Blob as a mini-plane to confront the villain, or as a hoverbike to pursue and intercept the Grimkeeper and free Cooper when the moment’s right. This lets kids choose their own path and enjoy double the playtime.

Bringing the fun to life
Minifigures of Mateo and Cooper bring the action to life. Their accessories include a belt, pencil spear and hourglass, which are important to their characters in the TV show.

Bring a villain to life – Kids can enjoy imaginative play with the LEGO® DREAMZzz™ Grimkeeper the...
Description provided by LEGO©