I can write a detailed breakdown, but right now I don’t actually know what “these” are—there’s no photo or description attached.

To give you a proper identification (and a 1000-word level explanation like you asked), I need at least one of the following:

Why this matters

Old items at grandparents’ houses can be from completely different categories, for example:

• Antiques or heirlooms (old coins, jewelry, utensils, tools)
• Household utility items (vintage kitchen tools, sewing kits, sewing machine parts)
• Religious or cultural objects (prayer beads, charms, incense holders)
• Medical or grooming tools (old razors, syringes, massage tools)
• Electronics or mechanical parts (radio components, batteries, adapters)
• Collectibles or toys (marbles, stamps, trading items)

Each of these requires totally different interpretation, and guessing without seeing them would likely be wrong.