This is a popular timer that starts counting down just by rolling it. I bought it and tried it, but the vibration was weaker than I expected, so I'm selling it. The sound works normally. Retail price: 5,975 yen [Shipping] ・Shipping estimate: Within 4-7 days ・Will be sent in simple packaging (using recycled materials) ・No pets Instant purchase is welcome. Please feel free to ask any questions in the comments.