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 "unit_note": "Count each individual block or other buildable piece included; for multi-packs, add the piece counts across all sets. Price per piece is a useful baseline, though specialty pieces may differ in usefulness.",
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    {
     "name": "Battery size",
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      "13",
      "312",
      "395",
      "675",
      "14500",
      "16340",
      "18490",
      "18650",
      "21700",
      "1/2AA",
      "2/3AA",
      "1/3AAA",
      "2/3AAA",
      "1/3N",
      "4.5V",
      "6V",
      "9V",
      "12V",
      "3LR12",
      "4LR44",
      "4SR44",
      "6LR61",
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      "\u2264100Wh",
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      "A23",
      "A27",
      "AA",
      "AAA"
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    },
    {
     "name": "Battery type",
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      "Disposable",
      "Rechargeable",
      "Standalone (included)",
      "Standalone (not-included)",
      "Other"
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    },
    {
     "name": "Color",
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      "Beige",
      "Black",
      "Blue",
      "Bronze",
      "Brown",
      "Clear",
      "Gold",
      "Gray",
      "Green",
      "Multicolor",
      "Navy",
      "Orange",
      "Pink",
      "Purple",
      "Red",
      "Rose gold",
      "Silver",
      "White",
      "Yellow"
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    },
    {
     "name": "Material",
     "handle": "material",
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      "Aluminum",
      "Angora",
      "Bamboo",
      "Biodegradable materials",
      "Brass",
      "Bronze",
      "Canvas",
      "Carbon",
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      "Ceramic",
      "Chrome",
      "Clay",
      "Coir",
      "Concrete",
      "Copper",
      "Corduroy",
      "Cork",
      "Cotton",
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      "Fabric",
      "Faux fur",
      "Faux leather",
      "Felt",
      "Fiberglass",
      "Flannel",
      "Fleece",
      "Fur",
      "Glass"
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    },
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      "Art",
      "Bead & reel",
      "Birds",
      "Brick",
      "Bull's eye",
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      "Checkered",
      "Chevron",
      "Chinoiserie",
      "Christmas",
      "Collage",
      "Coral",
      "Damask",
      "Diagonal",
      "Diamond",
      "Dog's tooth",
      "Dots",
      "Egg & dart",
      "Ethnic",
      "Everlasting knot",
      "Floral",
      "Fret",
      "Geometric",
      "Guilloche",
      "Hearts",
      "Illusion",
      "Lace"
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    },
    {
     "name": "Recommended age group",
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      "0-1 year",
      "1 year or older",
      "1-3 years",
      "3-5 years",
      "6-8 years",
      "9-12 years",
      "13-18 years",
      "2 years or older",
      "3 years or older",
      "4 years or older",
      "5 years or older",
      "6 years or older",
      "7 years or older",
      "8 years or older",
      "9 years or older",
      "10 years or older",
      "12 years or older",
      "18 years or older",
      "Adults",
      "All ages",
      "Babies",
      "Preschoolers",
      "School-age children",
      "Teens",
      "Toddlers",
      "Other"
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      "Faux leather",
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      "Fiberglass",
      "Fleece",
      "Foam",
      "Latex",
      "Leather",
      "Mesh",
      "Metal",
      "Neoprene",
      "Nylon",
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      "Plush",
      "Polyester",
      "Rattan",
      "Rubber",
      "Satin",
      "Silicone",
      "Silk",
      "Steel"
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    }
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    "3 years or older",
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    "6 years or older"
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    "mixed"
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   "label": "Theme or model",
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   "unit": null,
   "values": null,
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   "values": null,
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