WantPop.
Category

Building Sets.

24 building sets, ranked by what people are actually searching, saving and buying. Prices and stock refresh twice a day.

Sorted byMost wantedSort & filter →
mBot Ranger 3-in-1 Educational Robot Kit
Makeblock
mBot Ranger 3-in-1 Educational Robot Kit
$124.95Pop12
LEGO Star Wars Helmets
LEGO
LEGO Star Wars Helmets
$63Pop6
Snap Circuits Light Electronics Kit SCL-175
Elenco
Snap Circuits Light Electronics Kit SCL-175
$51.50Pop6
LEGO Technic Lamborghini Huracán Tecnica 42161
LEGO
LEGO Technic Lamborghini Huracán Tecnica 42161
$39.99Pop6
LEGO Minecraft The Creeper
LEGO
LEGO Minecraft The Creeper
$25Pop6
LEGO Harry Potter Hogwarts Castle
LEGO
LEGO Harry Potter Hogwarts Castle
$300.50Pop6
LEGO Boost Creative Toolbox 17101
LEGO
LEGO Boost Creative Toolbox 17101
$60Pop6
littleBits Creator Kit
littleBits
littleBits Creator Kit
$29.95Pop5
LEGO Friends Mia's Puppy House Set 3934
LEGO
LEGO Friends Mia's Puppy House Set 3934
$14.77Pop5
LEGO Technic Monster Jam Pull-Back Truck
LEGO
LEGO Technic Monster Jam Pull-Back Truck
$26.47Pop5
Magna-Tiles 100-Piece Clear Colors Magnetic Building Set
Magna-Tiles
Magna-Tiles 100-Piece Clear Colors Magnetic Building Set
$36.27Pop5
KPOP Demon Hunters Minifigures Set
LEGO
KPOP Demon Hunters Minifigures Set
$39.95Pop5
LEGO DREAMZzz Castle Nocturnia
LEGO
LEGO DREAMZzz Castle Nocturnia
$138Pop5
Magnetic Marble Run Building Set
Picasso Tiles
Magnetic Marble Run Building Set
$40Pop5
LEGO Icons Botanical Collection
LEGO
LEGO Icons Botanical Collection
$33.94Pop5
LEGO Star Wars Millennium Falcon
LEGO
LEGO Star Wars Millennium Falcon
$214.45Pop5
LEGO Minecraft The Nether Fortress
LEGO
LEGO Minecraft The Nether Fortress
$128.75Pop5
LEGO Speed Champions — F1 Team Pack
LEGO
LEGO Speed Champions — F1 Team Pack
$27Pop5
Kids Musical Instrument Starter Set
Unbranded / Various
Kids Musical Instrument Starter Set
$28.63Pop5
Personalized Wooden Name Puzzle
Handmade (Etsy Makers)
Personalized Wooden Name Puzzle
$20.11Pop4
Clay Bead Bracelet Making Kit
Handmade (Etsy Makers)
Clay Bead Bracelet Making Kit
$29.49Pop4
LEGO Botanicals — Mini Orchid
LEGO
LEGO Botanicals — Mini Orchid
$30Pop1
LEGO Animal Crossing — Bunnie's Outdoor Activities
LEGO
LEGO Animal Crossing — Bunnie's Outdoor Activities
$19Pop1
LEGO Fortnite — Battle Bus
LEGO
LEGO Fortnite — Battle Bus
$100Pop1

Rising this week

biggest 7-day gains among the most-wanted

mBot Ranger 3-in-1 Educational Robot Kit
Makeblock
mBot Ranger 3-in-1 Educational Robot Kit
$124.95Pop12
LEGO Harry Potter Hogwarts Castle
LEGO
LEGO Harry Potter Hogwarts Castle
$300.50Pop6

Straight answers

Built from our catalog and demand data, updated with the daily refresh.

What are the most wanted building sets right now?

Right now the most-wanted building sets on WantPop are mBot Ranger 3-in-1 Educational Robot Kit (demand 12), LEGO Star Wars Helmets (demand 6), Snap Circuits Light Electronics Kit SCL-175 (demand 6). Rankings come from real searches, saves and buy clicks and update with the daily refresh.

How much do building sets cost?

Among the most-wanted building sets, our Don't-Pay-Over ceilings run from $18 to $361, with a typical ceiling around $46. Above the ceiling you are paying resale premium, not value. These are guidance from live listings and our read of the resale market, not guarantees.

Which brands make building sets?

Brands we track in building sets include LEGO, Handmade (Etsy Makers), Makeblock, Elenco and littleBits. We follow 24 building sets in total, across retail and resale.