LEGO THEME PRICE GUIDE

LEGO Theme 421

Browse the LEGO Theme 421 catalog by set, year, size, and available market data. SetWatch catalogs 10 Theme 421 sets released from 1972 to 1977.

Cataloged sets10
First year1972
Latest year1977
Sets shown1–10
THEME MARKET

Theme 421 market overview

Theme-wide values, recent movement, retirement timing, and release trends.

Release trend

1972 1 1 sets Value pending
1973 3 3 sets Value pending
1975 1 1 sets Value pending
1976 3 3 sets Value pending
1977 2 2 sets Value pending

Theme 421 sets

Newest releases first; market value appears when available.

Browse all sets