Dreamzzz

Z-Blob's Robot and Vehicle Adventures

A small, shapeshifting starter set that gets more mileage out of 121 pieces than it has any right to.

Brick Rated Score

3.6/5

Set 71487 · 2025

Pieces121

Minifigsn/a

Year2025

Set number71487

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The verdict

I sat down expecting a quick, forgettable little build, and Z-Blob won me over anyway.

The whole idea is that Z-Blob, the gooey shapeshifting sidekick from the Dreamzzz world, can be rebuilt from a robot into a vehicle, and swapping between the two forms in one sitting is genuinely satisfying for a set this size. It is not a set for anyone chasing part count value or intricate greebling, but for a young Dreamzzz fan, or a parent looking for a first taste of the theme, it does its one job well. I would not put this on a shelf of must have sets, but I would not talk anyone out of it either if they already love the show.

Best for: younger Dreamzzz fans and parents who want an easy first build with a real transformation gimmick

The full review

What it is

Z-Blob's Robot and Vehicle Adventures is one of the small entry points into LEGO's Dreamzzz theme, and it leans entirely on its gimmick: Z-Blob, the shapeshifting companion from the animated series, rebuilds from a stubby little robot into a vehicle using the same 121 pieces. I liked that the set does not pretend to be more than it is. It hands a young builder two complete, distinct looking models for one modest box, and the swap between them is quick enough that a kid will actually do it more than once.

The catch

I will be honest about the size, though. At 121 pieces this is squarely an entry level set, and if you are the kind of builder who wants texture, layered detailing, or a shelf piece that holds up next to bigger releases, this will feel slight in your hands. The Dreamzzz theme has bigger sets that show off far more ambitious builds, and this one is not trying to compete with them. It is built for accessibility, not spectacle.

Who it's for

Get this one for a young Dreamzzz fan who already loves Z-Blob from the show, or as a low pressure introduction to LEGO building for a kid who is not ready for a five hundred piece set yet. Skip it if you are an adult collector or a parts hunter looking for value, because there just is not enough here to satisfy that kind of shopping list.

The parts story

What the build is actually like, and the pieces worth knowing about.

The build itself is straightforward and short, which is exactly the point. Z-Blob's body uses a handful of larger, rounded elements to get that gooey, amorphous look the character has on screen, and the robot to vehicle conversion mostly involves repositioning the same core cluster of parts rather than a full teardown, so kids can experiment with the transformation without losing pieces or patience.

There is nothing here that will excite a parts hunter chasing rare molds or printed elements, and that is fine given the price point and audience. The value of this set is in the character and the gimmick, not in what ends up in your spare parts bin afterward. If you already own other small Dreamzzz sets, the pieces here will feel familiar rather than novel.

Fun facts

01Z-Blob is one of the original characters created for LEGO's Dreamzzz, a theme built around an in-house story rather than a licensed franchise, with its own animated series.
02Z-Blob is portrayed in the Dreamzzz show as a shapeshifter, which is exactly the ability this set turns into a physical building gimmick.
03Small transforming sets like this one are a recurring pattern across the Dreamzzz lineup, giving younger builders an entry point alongside the theme's larger vehicle and creature sets.