This stunning giant block puzzle combines the look and feel of all four elements puzzles into one beautiful design. The puzzle, including frame, measures over 17 inches on a side and 2 inches thick. It is made up of 23 vibrant, organically shaped wooden blocks approximately 1.5 inches thick. Putting the puzzle together is only the beginning ... or pehaps only happens at the END of play! Each piece is an intriguing and versatile object - part of a building, a tunnel or a bridge, perhaps. Better yet, part of a free form artistic creation! The design possibilities are endless. Age 3 and up.