Set Facts
- The set includes a nightmare monster and the bed from which Jayden is kidnapped and minifigures of Mateo and Jayden.
Regional Retail Prices (LEGO.com/Store)
Mateo and Z-Blob the Robot Reviews
Bricksfanz
“80% of a LEGO DREAMZzz build follows the instructions, but the final 20% of the build is left up to the builder to decide, meaning they can build and rebuild during play. The sets have zero interaction with any form of app beyond the LEGO Builder app for optional digital... More instructions.”
Full review at bricksfanz.com
“DreamZzz follows a group of middle school students who are drawn into the Dream World and discover that their science teacher is a member of the Night Bureau. They must learn how to use their Dream Crafting powers, become Dream Crafters, and help to protect the world of... More dreams from the Nightmare King.”
About DREAMZzz Trials of the Dream Chasers

The LEGO DREAMZzz theme which was released in the summer of 2023 is based on the LEGO DREAMZzz TV show. The LEGO DREAMZzz series follows the adventures of school friends, Mateo, Izzie, Cooper, Logan and Zoey, as they join a secret agency and learn to use the power of imagination to journey into the Dream World.
Trials of the Dream Chasers curently consists of 12 sets, all released this year.
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Let kids aged 7+ lose themselves in the dream world with this LEGO® DREAMZzz™ Mateo and Z-Blob the Robot (71454) building toy set. Based on the action that takes place on the DREAMZzz TV show, this set lets kids transform Z-Blob into a sleek robot to help Mateo rescue Jayden, who’s been kidnapped by a nightmare monster.
1 set, 2 ways to build
The large Z-Blob robot has a fully articulated torso, arms and legs. Kids can use the included accessories to give Z-Blob hand and shoulder blasters or a jetpack and helmet, giving kids the opportunity to unleash their imaginations and double the fun play.
Minifigures bring the action to life
The set includes detailed minifigures of Mateo and Jayden. Their accessories include a belt, pencil staff and hourglass, which are important to their characters in the TV show.
Bring Z-Blob to life – Kids can enjoy imaginative play with the LEGO® DREAMZzz™ Mateo and Z-Blob the Robot (71454) building toy set, based on a storyline from the TV...
Description provided by LEGO©