Springbok Puzzles - Seashells - 1500 Piece Jigsaw Puzzle - Large 28.75 Inches by 36 Inches Puzzle - Made in USA - Unique Cut Interlocking Pieces Springbok puzzles feature unique interlocking pieces and signature piece counts - 60 piece, 350 piece and 400 piece family format Within each Springbok puzzle no two pieces are alike making each Springbok puzzle a unique challenge Springbok puzzle pieces are 18% thicker than the industry average Springbok - 48 years of quality and innovative puzzle designs founded and manufactured in the U.S.A. Springbok puzzles are made from 100% recycled materials using soy-based inks