3 years & up. Imagine, build, create! The Plus Plus BIG 60-piece Picture Puzzles & BIG 15-piece Tube Set features a new kind of construction toy that involves one simple shape to unleash ideas of endless possibilities. The BIG Plus Plus pieces are 2.5 times larger and perfect for smaller hands or bigger ideas. The unique shape allows kids to construct 2D or 3D and even curved structures. With the BIG Picture Puzzles, choose a puzzle and try to construct the image using the Plus Plus pieces. Each Picture Puzzle card has two sides for a total of 14 puzzle challenges. Puzzle cards measure 11.7" x 8.2". Included: 75 pieces and seven puzzle challenge cards.