A device for filling soluble containers is provided. The device includes an assembly for orienting a plurality of capsules having at least one sheet component for orienting capsules and at least one base component for guiding the oriented capsules to a following assembly. The assembly for orienting capsules can be adapted to a hand-held assembly for filling capsules or to a bench-top assembly for filling capsules. The assembly for filling capsules may further include a capsule-loading tray and a locking plate.