Hey! Say! JUMP Penlights (4 items) Details are unknown as these were received from someone else. ① I don't have button batteries, so I haven't been able to confirm if they light up. The button batteries appear to have deteriorated, and there is a green powdery substance? attached. Please check the photos for details. The silver parts have fingerprint-like marks and fine scratches. A case is included, but it shows signs of age-related deterioration. ② I don't have button batteries, so I haven't been able to confirm if they light up. The button batteries appear to have deteriorated, and there is a green powdery substance? attached. Please check the photos for details. Fine scratches are visible on the surface. ③ I replaced the batteries, but they do not light up. An outer bag is included, but the adhesive tape has lost its stickiness, and it shows signs of age-related deterioration. It's unclear if this was the original specification, but the white parts are slightly dull. ④ I replaced the batteries and confirmed that it lights up. The white parts show some yellowing. An outer box is included, but it has signs of age-related deterioration. For safety, all batteries will be removed before shipping. Please consider purchasing with the understanding that these are used items and have been stored at home. Please check my profile before purchasing. Group Name: Hey! Say! JUMP Item Type: Penlight