Toyo Origami for Thousand Cranes, with Plastic Case 7.5cm Square, 20 Colors, 1000 Sheets Includes 1 gold embossed sheet Includes 1 wish crane sheet Includes Thousand Cranes Q&A Includes folding instructions, connecting instructions, and Q&A [Origin of Thousand Cranes] Thousand cranes are made by folding a thousand origami cranes and stringing them together. It is said that the number "thousand" is considered auspicious, stemming from the saying "the crane lives for a thousand years." Origami cranes and thousand cranes are often made as symbols of peace, with the meanings of "praying for longevity," "praying for happiness," "praying for disaster relief," and "praying for recovery from illness" embedded within them.