The Metal models are amazingly detailed etched models that are fun and satisfying to assemble. Each model starts out as metal sheets and you simply pop out the pieces using wire cutters and follow the included directions to assemble your model. No glue or solder needed. If you need tools, you can buy here: https://www.amazon.it/dp/B06Y2FY287. GOLD KINKAKU-JI. Is a three story Zen Buddhist temple located in Kyoto Japan, known as the Temple of the Golden Pavilion. The top two floors are completely covered in gold leaf. It is Japan’s best known temple and is a UNESCO World Heritage Site. Item#:MMS090G; Number of sheets:3 Sheets; Difficulty:Challenging; Assembled Size: 3.5″ x 2.36″ x 2.55″ (8.89 x 5.99 x 6.48 cm). HIMEJI CASTLE. Is also known as the White Heron Castle because of the way that its soaring white stucco walls resemble a graceful heron taking flight. The original fortress was built in 1346 and the castle in its current form was completed 1610. The castle is full of defensive features however it has never been attacked in its 400 year history. In 1993 it was designated a World Heritage Site. Item#:MMS055 Number of sheets:3 Sheets Difficulty:Challenging Assembled Size: 2.81″ x 2.69″ x 2.34″ (7.2 x 6.9 x 6 cm).