replaceablepieces

noun
UK /rɪˈpleɪsəbəl piːsɪz/
US /rɪˈpleɪsəbəl piːsɪz/

Parts that you can take out and put new ones in.

The toy car comes with replaceable pieces so you can fix it if something breaks.


OTHER MEANINGS

2. Extra pieces kept on hand to use instead of worn or lost ones.

The kit includes replaceable pieces for the wheels and gears.

3. Sections of a game or puzzle that can be exchanged for different ones.

This board game has replaceable pieces for each new level.

4. Machine parts designed to be swapped out during repair or maintenance.

The mechanic ordered replaceable pieces for the old pump.