Xtra is a theme introduced in 2018 and was last released in 2021. Each set and/or polybag consists of thematic elements and accessories to complement existing sets. None of the sets in the theme contain any Minifigures or large builds.
Sets
| Image | # | Set | Pieces | Figures | Price | Released |
 |
40309 | Food Accessories | 30 | N/A | 2018 | |
 |
40310 | Botanical Accessories | 24 | N/A | 2018 | |
 |
40311 | Traffic Lights | 46 | N/A | 2018 | |
 |
40312 | Streetlamps | 34 | N/A | 2018 | |
 |
40313 | Bicycles | 21 | N/A | 2018 | |
 |
40341 | Sea Accessories | 24 | N/A | 2019 | |
 |
40368 | Christmas Accessories | 32 | N/A | 2019 | |
 |
40375 | Sports Accessories | 36 | N/A | $3.99 / €3.89 | January 2, 2020 |
 |
40376 | Botanical Accessories | 32 | N/A | $3.99 / €3.89 | January 2, 2020 |
 |
40464 | Chinatown | 35 | N/A | $3.99 / €3.99 | January 1, 2021 |
 |
40465 | Food | 36 | $3.99 / €3.99 | January 1, 2021 | |
 |
853840 | Road Playmat | 11 | N/A | $7.99 | 2018 |
 |
853841 | Sea Playmat | 11 | N/A | $7.99 | 2018 |
 |
853842 | Park Playmat | 11 | N/A | $7.99 | 2018 |
 |
853921 | Brick Stickers | 17 | N/A | $5.99 | 2019 |
 |
854048 | Road Tape | 35 | N/A | $8.99 / €8.99 | June 2, 2020 |
 |
854065 | Water Tape | 23 | N/A | $8.99 / €8.99 | June 2, 2020 |