Unbranded 498641 Mini Building Blocks sku-18266824177

This Unbranded 498641 Building Blocks set is a 2025 Christmas advent calendar in the listed color Other (sku-18266824177; UPC 555736253171). Its 1961 pieces are divided among 24 numbered, progressively more complex packs, with instructions for assembling part of the scene each day.

The finished display includes a two-floor Christmas house with an attic, an open back showing a kitchen, dining area, staircase, living room and bedroom, plus a yard with a snowman and gift boxes. It also includes a car carrying a Christmas tree, Santa on a sleigh and string lights for the house.

The smooth mini bricks measure 3.6 mm, also written as 3.6mm, and are not compatible with major building-block brands. The set is intended for ages 14 and up and can be assembled with family or used as a seasonal display or gift.