LEGO RAT Easy Build Building Happening Rat

Released 2020 · 754 pieces · Seasonal · Chinese (Lunar) New Year

LEGO Easy Build Building Happening Rat (RAT) was released in 2020 in the Seasonal · Chinese (Lunar) New Year line, with 754 pieces. By piece count it sits in the top 4% of Seasonal sets. It was one of 31 Seasonal sets released that year (see them all). Released in 2020, 6 years ago, well past the two-to-three-year run most LEGO sets get, so it is almost certainly out of production.

Add to my collection

• Estimated value: $88 (modelled from piece count, era, and age, not live market data)

Availability: Likely retired (inferred from its release year, not an official retirement date)

Full details, the price breakdown, and the minifigures included are below. Add it to your collection to track what it's worth.

• Among the biggest 10% of Seasonal sets by piece count
• 12¢ per piece, cheaper per piece than most Seasonal sets

More from 2020

Set data from the Rebrickable database, refreshed daily. Catalog data as of 2026-09-01. Values are this site's estimates, see how they're calculated.

Own this one? Create a free account to track your sets, see what your collection is worth, and build a wishlist others can buy from. No email needed.