The acrylic countertop display box is compatible with Lego 76199 Carnage Product model. Dimensions: (length x width x height) 20cm x 20cm x 25cm. The acrylic board is 3mm thick. Including: five transparent acrylic panels, a base, and a package of accessories. This product only has one countertop display frame, not including the building block model shown in the picture. Preparation before assembly: After receiving the acrylic display box, check the integrity of each layout first. Before assembly, please familiarize yourself with the assembled parts. You can refer to the product manual. Friendly reminder: The acrylic board has a protective film on both sides, which looks like frosting. Please remove the protective film around the installation hole before installation. After removing the remaining protective film after installation, a smooth and transparent acrylic board can be seen. Assembly: The first step is to determine the position of the acrylic board. Top plate, left and right side panels, front and rear panels, and base. Step 2, understand the installation method of connectors. Step 3, install in the order indicated in the manual. Finally, congratulations! You have completed the assembly and a beautiful, transparent, and dustproof display box is presented in front of you. This is a harbor built for your beloved exhibits. Happiness revolves around you and your exhibits. After sales: Returns for non quality reasons are the buyer's responsibility for transportation costs. Waiting at any time, friendly negotiation, looking forward to your visit.