If you think crafting cylinders are fun activities, you should take a look at this wonderful diy project that aims to produce smelling and sound cylinders by using really low cost materials. If you want to craft several cylinders, you can prefer sound and smelling cylinders.
Once you crafted cylinders, the next step will be giving them sound and smell effects by suing several materials. For sound effects , you can fill cylinders with rice, beans popcorn, sand and small rocks while you can fill cylinders with mind oil, lemon juice, cinnamon stick, vanilla, oregano and basil to make them sell nice.
Photo via: aayladomontessori.blogspot.com