Thank you for visiting and viewing! ♡ Please read the profile before purchasing. I would appreciate it ٩(ˊᗜˋ*)و A set of 20 various sized empty cores, perfect for crafts and DIY projects. - Quantity: 30 total - Sizes: Please refer to images 2, 3, 4, and 5! Some cores have dents or tape marks as shown in image 6. There are also variations in hardness. Smaller cores are placed inside the larger ones. They will be shipped in an OPP bag. Shipping via Yu-Packet Post (image 7) is also possible, although the number of items will vary. The price will be an additional 100 yen. Please comment before purchasing! Changes cannot be made after purchase! Waste material play, waste material, core, empty core, production, creation, play Nursery school, kindergarten, children's garden, elementary school, crafts, art Science project Please comment if you have any questions! Hope to have a good connection with you \♡/