modular building set

noun
UK /ˈmɒd.jə.lə ˈbɪl.dɪŋ sɛt/
US /ˈmɑː.dʒə.lɚ ˈbɪl.dɪŋ sɛt/

A modular building set is a toy with many pieces you can put together in different ways to make buildings.

My little brother got a modular building set for his birthday and built a tiny castle.


OTHER MEANINGS

2. A collection of prefabricated parts used to construct real buildings.

The company used a modular building set to put up the school in just a few weeks.

3. A set of interchangeable software components for building programs.

The developers used a modular building set of code libraries to speed up the project.

4. A kit of modular furniture parts that can be assembled in different layouts.

They bought a modular building set to create a custom bookshelf for the living room.