St. Basil's Cathedral Building Toys - Exqline World Great Architecture Series 3D Paper Puzzle, 231 Pieces EASY TO ASSEMBLE:No Scissors or Glue Required, 231 pcs in total. NON-TOXIC MATERIAL : Made of Paper & Non-toxic Polyethylene Foam Board, to complete the puzzle you may need around 120 minutes. DEVELOP HAND & EYE COORDINATION: To make it well finished, hands and eyes in good cooperation is required. Great for Family Games. CREATE FAMILY FUN: Puzzling is entertaining for both kids and adults, Whats more, you can use it as a beautiful and unique for home decoration. BUILD PRICELESS MEMORIES: Kids would never be so proud and confidence once the architecture built up, a child would grow up by your lap, but they would never grow up by your heart, enjoy spending quality time with your family.