EuroGraphics The Brain 1000-Piece Puzzle Box size: 10" x 14" x 2.37". Finished Puzzle Size: 19.25" x 26.5". The human brain is a complex and fascinating part of our anatomy. Learn about the different regions of the brain and about brain surgery. Strong high-quality puzzle pieces. Made from recycled board and printed with vegetable based ink. This superior quality puzzle will delight and educate all at the same time.