LEGO Parts and Pieces: Trans-Clear (Transparent Clear) 1x2 Brick x50

LEGO #4864 Parts and Pieces 50 Count Transparent Clear 1x2x2 Window Panel Loose

Sawaruita Light Building Blocks Classic Creative Bright Supplement, Electric Clear Transparent Brick, Compatible with All Major Brands Kids Games

LEGO Parts and Pieces: Transparent Clear 2x2 45 Slope x50

Lego Building Accessories 1 x 2 Clear Transparent Brick without Pin, Bulk - 50 Pieces per Package

LEGO Classic Gray Baseplate 10701

LEGO Classic Blue Baseplate 10714 Building Kit (1 Piece)

10 Pack Compatible 5 X 5 inches Baseplates 16 x 16 dots base plates - Variety Pack by Brick Loot

Building Bricks Block Base Plate - White 6 Pack of 5”X10” Baseplates - Compatible Major Brands Building Block Toys

Genuine Lego 200 Small Clear and Translucent Colored 1X Finishing Pieces (loose)

The Wonderland Company 324 Piece Windows, Doors, and Roof Tiles Set - Tight Fit with Major Brands.