--- title: Toys and Lego — a lesson of Mova's school · trees and pragmatics description: «Toys and Lego», a lesson of the technology course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: A Lego brick begins as a handful of plastic grains, melted and squirted at huge pressure into a steel mould, cooled in seconds and dropped out finished: --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/) / Toys and Lego # Toys and Lego Lesson 7 of the technology course of Mova's primary school: 18 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/technology/7-toys-and-lego/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/0/) — A Lego brick begins as a handful of plastic grains, melted and squirted at huge pressure into a steel mould, cooled in seconds and dropped out finished: this is called injection moulding. - [1](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/1/) — The moulds are so exact that a brick made in 1958 still clicks onto one made today, which is why your grandad's old bricks fit your new set. - [2](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/2/) — Most plastic toys, from action figures to board game pieces, are made the same way, and one expensive steel mould can make millions of copies. - [3](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/3/) — Before a toy reaches a shop, testers pull, drop, chew-test and even burn samples on purpose, and a mark like CE or UKCA shows the maker says it meets the safety rules. - [4](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/4/) — Small bricks, caps and burst balloon pieces are a real choking danger for babies and toddlers, so toys for little ones have no small parts and eyes that cannot be pulled off. - [5](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/5/) — Injection moulding pushes hot melted plastic into a closed metal mould, cools it and pushes the part out; the same mould is used millions of times. - [6](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/6/) — A good steel mould can cost more than a car, because it must be shaped extremely precisely and last for millions of parts. - [7](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/7/) — Lego bricks are made so precisely that a brick from 1958 still fits a brick made today; Lego has factories in Denmark, Hungary, the Czech Republic, Mexico, China and Vietnam. - [8](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/8/) — Small bricks, caps and burst balloon pieces are a choking danger for babies and toddlers, so they must be kept away from little ones. - [9](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/9/) — Teddy bears are sewn inside out from machine-cut pieces, turned, stuffed with fibre blown in by a machine and stitched shut; toys for little ones have eyes locked on from inside so they cannot be pulled off. - [10](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/10/) — The teddy bear is named after US President Theodore "Teddy" Roosevelt. - [11](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/11/) — A CE or UKCA mark shows the maker says the toy meets safety rules on small parts, sharp edges, chemicals and fire; testers pull, drop, chew-test and burn sample toys on purpose, and fake toys may skip the tests. - [12](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/12/) — Dolls and action figures are moulded in parts, painted by machines and by hand, sometimes with tiny stamping pads one colour at a time, and clicked together. - [13](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/13/) — A remote-control car's controller sends radio signals that a receiver in the car turns into commands for small motors; different cars use different channels so they do not control each other. - [15](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/15/) — Shop slime is a gooey mix of glue-like chemicals and water that holds a shape for a moment but flows slowly, neither properly solid nor liquid; never eat it, and wash your hands after. - [16](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/16/) — Board game boards are printed on paper glued to cardboard, and cards are printed on big sheets and cut out; Monopoly has been printed in dozens of languages. - [17](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/17/) — Balloons are made by dipping balloon-shaped formers (solid shapes to coat) in liquid latex, the sap of rubber trees; they shrink over a few days because the gas slowly escapes through the rubber. - [18](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/18/) — A 3D printer melts plastic string and lays it down layer by thin layer following a computer drawing; its nozzle gets very hot, so adults handle it. - ← previous: [Pencils, paper and school things](https://md.mova.elamur.ai/free/en/corpora/school/technology/6-pencils-paper-and-school-things/) - next →: [How a car is built](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/) - ↑ back to [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/)