A brick is plastic.
A machine melts it.
It fills a brick mold.
Pop! Bricks drop on a belt.
Bumps, bumps, bumps!
Bumps on top of a brick.
Bumps snap bricks on and on.
Facts
Facts the Peabody Encyclopedia for kids
Real facts about everything, written for your grade.
Snap! Click!
How Plastic Toy Bricks Are Made: How are toy bricks made?
Read next
Sources
- https://www.mentalfloss.com/article/19400/early-history-lego
- https://www.gracesguide.co.uk/Kiddicraft
- https://www.modip.ac.uk/exhibitions/polymorphia/acrylonitrile-butadiene-styrene
- https://www.cbsnews.com/pictures/how-lego-makes-its-legos
- https://rcrwireless.com/20160921/internet-of-things/lego-automated-factory-tag31-tag99-2
- https://gizmodo.com/5022769/exclusive-inside-the-lego-factory
- https://www.lego.com/en-us/aboutus/news/2026/march/the-lego-group-delivers-record-results-in-2025-driven-by-strong-brand-and-innovative-portfolio
- https://lemelson.mit.edu/resources/ole-christiansen
- https://lugnet.com/pause/chronology.html
- https://en.wikipedia.org/wiki/Injection_moulding
- https://en.wikipedia.org/wiki/Acrylonitrile_butadiene_styrene
- https://www.lego.com/en-us/service/help-topics/article/how-do-lego-bricks-work
- https://laughingsquid.com/lego-interlocking-building-bricks/
- https://www.lego.com/en-us/aboutus/lego-history
- https://brickarchitect.com/cite/S4
- https://collections.vam.ac.uk/item/O165028/lego-system-construction-bricks-the-lego-group
- https://lego.com/en-gb/history/articles/d-the-stud-and-tube-principle
- https://collections.vam.ac.uk/item/O179842
- https://en.wikipedia.org/wiki/Thermoplastic
- https://lego.com/en-gb/history/articles/d-quality-in-every-detail
- https://foxbusiness.com/lifestyle/lego-adjusts-plan-making-bricks-recycled-plastic-bottles
- https://oceanservice.noaa.gov/hazards/marinedebris/plastics-in-the-ocean.html
- https://www.nationalgeographic.com/environment/article/plastic-pollution
- https://www.lego.com/en-us/sustainability/
- https://ourworldindata.org/plastic-pollution
- https://www.spielwarenmesse.de/en/mag/toy-market-news/lego-reveals-2025-full-year-results/
- https://renewable-carbon.eu/news/the-lego-group-remains-committed-to-make-lego-bricks-from-sustainable-materials/
- https://en.wikipedia.org/wiki/History_of_Lego
- https://ramblingbrick.com/2023/01/28/happy-lego-patent-day-2/
- https://en.wikipedia.org/wiki/Duplo
- https://en.wikipedia.org/wiki/Styrene-acrylonitrile_resin
- https://en.wikipedia.org/wiki/Polybutadiene
- https://en.wikipedia.org/wiki/Lego
- https://en.wikipedia.org/wiki/Tool_steel
- https://www.brothers-brick.com/2012/12/05/how-many-lego-bricks-stacked-vertically-would-crush-the-bottom-brick/
- https://gizmodo.com/how-tall-can-a-lego-tower-be-before-it-crushes-itself-5965451
For grown-ups: Peabody has no ads, not one, and nothing to sell your child. The Kids Pick, an independent kids' directory, rates its games 90/100. See what other free kids' sites load · Grown-ups, sign in · Already have a profile?