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Investment projection · Modular Buildings tier
Is LEGO Assembly Square a good investment?
Based on the modular buildings tier historical appreciation rate of 15.4% annually (from the HSE 2022 LEGO investment study + BrickEconomy theme data), a $650 sealed LEGO Assembly Square could be worth:
In 5 years
$1,330
2.05× your $650 starting value
In 10 years
$2,723
4.19× your $650 starting value
In 20 years
$11,403
17.54× your $650 starting value
Projections assume the set stays sealed. Opening typically removes 30–50% of resale value. Past performance doesn't guarantee future returns — supply, demand, and condition all matter.