The X-Mansion #76294 value

Based on the catalog data provided, the The X-Mansion #76294 — LEGO Super Heroes Set Value has a used selling price of $227.48 and a new price of $270.40 [1]. The second item, LEGO The X-Mansion (76294-1) (X-Men), is currently unpriced in the catalog [2]. Generally, the value of LEGO sets is driven by completeness and condition; for the #76294 set, you can compare the sold comps against the current live listings shown on your screen to see how the market is currently valuing it.