Insert compatible with Stone Age®, including Stone Age: The Expansion® and The Mammoth Herd®. The design provides both efficient storage and improved game play. Many of the trays can be utilised during the game, and they greatly aid set-up and clear-away times. The insert is arranged in up to three layers. This product consists of a flat-pack of 5 Evacore sheets. The trays require assembly, which is quick and fun, using ordinary PVA glue. Detailed instructions are included in the package. Note: Insert designed for game with external box dimensions of 31.7 x 22.7 x 9.2 cm.