FROM 5 TO 99 YEARS OLD: mini bricks are great for both baby and adult. For the child it will be an interesting toy that will help to develop creativity mathematical abilities logical thinking. For an older person this is an ideal hobby to do in your spare time. REBUILDABLE: Our building toy is rebuildable just put the structure in the water wait a few minutes for the glue to dissolve then build it again. You should not care about the mistakes if something goes wrong just add some water and build it again. Manufacturered by Wise Elk. WONDERFUL GIFT: It is an ideal and creative gift to surprise your friends family kids. A perfect choice for who is a DIY lover. Our buildings look great and realistic to show it on your home shelf. 100% CUSTOMER SATISFACTION: Wise Elk is committed to your complete satisfaction. Any issues? Reach out to us and we'll put a smile back on your face! CHILDHOOD DEVELOPMENT AND STEM TOY: This building set is the perfect toy for your kids it will help to develop logical thinking creativity mathematical abilities engineering solutions from a young age. Watch your little builders' imagination and hands hard at work as they explore the world of Architecture and Engineering.