This unique series of puzzles each illustrate what is going on above and beneath the ground and / or water.The pictures provide many topics for discussions. These offer advanced puzzling fun with no less than 120 pieces each. Specifications: - Number of puzzle pieces: 120 - Dimensions: printed directly on 4mm birch plywood in a 40 x 50 cm beech varnished frame. What's in the box Includes: -120 Puzzle Pieces