diy ocean-themed diorama in egg carton with sand, corals, fish. handmade craft for kids, great for preschools, eco

diorama diy craft handmade ocean fish carton school learning kids play toy marine sea paper sand upcycling environment ecofriendly creative recycling blue decoration project fun educational aquarium childhood artistic entertainment workshop sustainable seaweed hobby cardboard imagination decor colorful eco preschool museum education creativity children tinkering parents family summer activity