Ukidz Model Safe Kit | 3D Wooden Puzzle | DIY Mechanical SafeSize: 7. 7 x 7. 3 x 6. 9 in Number of parts: 179 Level: Hard Assembly Time: 6 7 hours Recommended Age: 14+ Package size: 14. 6 x 6. 7 x 1. 4 in Item Number: UTG0010 Dimensions: 14. 72 x 6. 73 x 1. 46 inches Weight: 2. 43 lb UGears Mechanical 3D Safe, Valentine's Gifts, Adult Puzzle, Wooden Brain Teaser, Kids, and Teens IQ Game is a classic UGears wooden toy in the form of engaging mechanical model kits and calls for the participation of users. This