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New 3093pcs x mansion - 3093pcs,

New 3093pcs x mansion - 3093pcs,

$289.99
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Large building blocks set - building,

Large building blocks set - building,

$24.29
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New 4016pcs death star - death,

New 4016pcs death star - death,

$176.69
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New 76294 mansion hero base - x-mansion,

New 76294 mansion hero base - x-mansion,

$166.25
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Animal series 62pcs moc - animal,

Animal series 62pcs moc - animal,

$6.29
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100 pcs magnetic - magnetic, clear

100 pcs magnetic - magnetic, clear

$29.99
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168 pcs marble run - pcs, building

168 pcs marble run - pcs, building

$11.45
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Animal building blocks set 493 - building,

Animal building blocks set 493 - building,

$5.99
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Lot - (72, tube)

Lot - (72, tube)

$17.99
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150pcs magnetic building - 150pcs,

150pcs magnetic building - 150pcs,

$18.79
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100 pcs magnetic tiles clear - magnetic,

100 pcs magnetic tiles clear - magnetic,

$35.62
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Building blocks 1000 pieces - blocks,

Building blocks 1000 pieces - blocks,

$13.95
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150 piece building ball joints - 150,

150 piece building ball joints - 150,

$13.99
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New ucs 3po - ⭐new,

New ucs 3po - ⭐new,

$73.41
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Moving castle building blocks - castle,

Moving castle building blocks - castle,

$54.99
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New 76294 mansion - hero, base

New 76294 mansion - hero, base

$189.09
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Mould king 10021 27020 - /,

Mould king 10021 27020 - /,

$19.49
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168 pcs marble run building - 168,

168 pcs marble run building - 168,

$12.59
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5210pcs anime mini - 5210pcs, building

5210pcs anime mini - 5210pcs, building

$16.99
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Bionicle skull warrior action - warrior,

Bionicle skull warrior action - warrior,

$86.50
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150pcs magnetic building - magnetic,

150pcs magnetic building - magnetic,

$20.99
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Magnet tiles magnetic - tiles, building

Magnet tiles magnetic - tiles, building

$14.99
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105pcs kids marble run - marble, race

105pcs kids marble run - marble, race

$20.69
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Animal series 62pcs - series, moc

Animal series 62pcs - series, moc

$5.75
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150pcs magnetic building - magnetic,

150pcs magnetic building - magnetic,

$19.79
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New imperial flagship pirate - imperial,

New imperial flagship pirate - imperial,

$122.99
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Alphabet building blocks - 26,

Alphabet building blocks - 26,

$8.99
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Psc set bionicle - psc,

Psc set bionicle - psc,

$45.99
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Chemical plant - chemical,

Chemical plant - chemical,

$46.34
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120 240pcs diy building blocks - 120/240pcs,

120 240pcs diy building blocks - 120/240pcs,

$16.78
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Titanic ship building - titanic, blocks

Titanic ship building - titanic, blocks

$71.42
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100 piece magnetic building - piece,

100 piece magnetic building - piece,

$49.99
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Magnetic building blocks for - blocks,

Magnetic building blocks for - blocks,

$11.46
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Mould king 10153 - mould,

Mould king 10153 - mould,

$65.99
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Animal series 62pcs moc bricks - animal,

Animal series 62pcs moc bricks - animal,

$4.99
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200pcs stem building - building, blocks

200pcs stem building - building, blocks

$9.98
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Dinosaur race track magnetic - race,

Dinosaur race track magnetic - race,

$25.96
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Wooden blocks toy - blocks, 100

Wooden blocks toy - blocks, 100

$23.99
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1690pcs green racing car - green,

1690pcs green racing car - green,

$24.00
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Home furnishing building - home,

Home furnishing building - home,

$28.83
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Animal series 62pcs moc bricks - moc,

Animal series 62pcs moc bricks - moc,

$6.64
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1288pcs apocalypse building - apocalypse,

1288pcs apocalypse building - apocalypse,

$34.99
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Bionicle skull warrior - skull, action

Bionicle skull warrior - skull, action

$22.22
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Warrior building blocks evo - building,

Warrior building blocks evo - building,

$16.99
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New 500 pcs kids - new!!,

New 500 pcs kids - new!!,

$17.09
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Noah ark building blocks - noah's, set

Noah ark building blocks - noah's, set

$34.95
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Halloween pumpkin patch - pumpkin,

Halloween pumpkin patch - pumpkin,

$10.99
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Oil refinery building blocks - building,

Oil refinery building blocks - building,

$43.99
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Magnet tiles mag - tiles, magna

Magnet tiles mag - tiles, magna

$49.99
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Magna tiles rail racers - rail,

Magna tiles rail racers - rail,

$54.99
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Halloween horror characters - halloween,

Halloween horror characters - halloween,

$18.39
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Block tech bouquet white - bouquet,

Block tech bouquet white - bouquet,

$8.44
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Mould king 10037 - flatbed, semi

Mould king 10037 - flatbed, semi

$71.99
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168 pcs marble run - pcs,

168 pcs marble run - pcs,

$10.50
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Special edition magna - edition-magna, tiles

Special edition magna - edition-magna, tiles

$79.00
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Mimic treasure chest monster - treasure,

Mimic treasure chest monster - treasure,

$8.99
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Mould king 10029 firebird - 10029,

Mould king 10029 firebird - 10029,

$53.99
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Magnetic building blocks for - building,

Magnetic building blocks for - building,

$27.11
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Bionicle skull warrior action - warrior,

Bionicle skull warrior action - warrior,

$45.90
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Animal series 62pcs - 62pcs, bricks

Animal series 62pcs - 62pcs, bricks

$6.49
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Magnet tiles new 2020 - magnet,

Magnet tiles new 2020 - magnet,

$19.99
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New 76294 mansion hero base - new,

New 76294 mansion hero base - new,

$119.99
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Magnetic building blocks set - blocks,

Magnetic building blocks set - blocks,

$39.99
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120 240pcs diy building - diy, blocks

120 240pcs diy building - diy, blocks

$12.99
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100pcs magnetic - 100pcs,

100pcs magnetic - 100pcs,

$20.51
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150pcs magnetic building - magnetic,

150pcs magnetic building - magnetic,

$30.99
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18pcs superhero building block - 18pcs,

18pcs superhero building block - 18pcs,

$23.99
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Mould king 10045 - mould, race

Mould king 10045 - mould, race

$44.99
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Brickyard building blocks stem - brickyard,

Brickyard building blocks stem - brickyard,

$18.99
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Moc chevelle 454 american - chevelle,

Moc chevelle 454 american - chevelle,

$44.99
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1403 pcs shrek and - and, donkey

1403 pcs shrek and - and, donkey

$49.99
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Magnetic building blocks for - blocks,

Magnetic building blocks for - blocks,

$11.89
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Mould king 13117 sports car - sports,

Mould king 13117 sports car - sports,

$49.99
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Mocsage world trade twin tower - world,

Mocsage world trade twin tower - world,

$259.90
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Magna tiles clear - magna,

Magna tiles clear - magna,

$47.66
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72pcs diy stem metal model - 72pcs,

72pcs diy stem metal model - 72pcs,

$12.87
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Homer disappearing into - disappearing,

Homer disappearing into - disappearing,

$16.49
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304pcs christmas building - christmas,

304pcs christmas building - christmas,

$9.97
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150pcs magnetic building - 150pcs,

150pcs magnetic building - 150pcs,

$18.54
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New speed racer mach 373pcs - new,

New speed racer mach 373pcs - new,

$14.99
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Soft flexible building - &,

Soft flexible building - &,

$19.96
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1465 pcs hello kitty magic - pcs,

1465 pcs hello kitty magic - pcs,

$27.99
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Magnetic toys 128 - magnetic,

Magnetic toys 128 - magnetic,

$29.98
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Magnetic building blocks diy - magnetic,

Magnetic building blocks diy - magnetic,

$17.99
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Block tech - tech,

Block tech - tech,

$65.00
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83pcs cartoon pencil - 83pcs,

83pcs cartoon pencil - 83pcs,

$14.99
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Peanuts building blocks - blocks,

Peanuts building blocks - blocks,

$38.00
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Bionicle skull warrior action - warrior,

Bionicle skull warrior action - warrior,

$35.89
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150pcs magnetic building - 150pcs,

150pcs magnetic building - 150pcs,

$28.49
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Piece ball joint building - 70,

Piece ball joint building - 70,

$14.99
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Magnetic blocks set stem - magnetic,

Magnetic blocks set stem - magnetic,

$15.96
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Hero factory star warrior - hero,

Hero factory star warrior - hero,

$14.75
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Military navy ship - navy,

Military navy ship - navy,

$24.45
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150pcs magnetic building - 150pcs,

150pcs magnetic building - 150pcs,

$18.90
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Chemical plant natural gas - chemical, plant:

Chemical plant natural gas - chemical, plant:

$46.34
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Stem diy educational building - educational,

Stem diy educational building - educational,

$58.56
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📊96 listings · from $4.99 · avg $40.31

Browse 96 building blocks listings currently in our index. Prices range from $4.99 to $289.99, with an average of $40.31. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about building blocks →

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Everything you need to know about building blocks

Whether you are looking for a brand-new or second-hand building blocks, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $4.99, while premium listings can reach $289.99 — giving you a wide budget spread to work with. The average price of $40.31 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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