⚫︎ Purchased from Nishimatsuya 2-3 years ago. ⚫︎ For your child's potty training: Place the sheet on the toilet bowl, and when the sheet gets wet with urine, an animal picture appears. ⚫︎ The item for sale is only one unopened bag of 15 sheets. The instruction manual will also be included. If you wish, the box can be folded and included. Please let me know.