{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:28:54+00:00","price":"74.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FY73M3LQ?maas=maas_adg_api_579210529319018229_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBc26672ce88ecfa03b822759110b66aa6&aa_adgroupid=93d724dfd54f3187f9c571a94d158ab2_PBSEP_!!!affid!!!_118045_&aa_creativeid=3fb6dNGwmNyyNd3oqvsr_bEIw6WIttWnou3toXyzxlLpRA9E_c"}],"product":{"brand":"The Twiddlers UK","evidence_url":"https://www.mainbuyer.com/evidence/products/the-twiddlers-128-piece-wooden-train-track-expansion-pack-extra-large-bulk-set-compatible-with-all-major-brand-toy-trains-selection-of-straight-and-b0fy73m3lq/prices","gtin":null,"id":10205,"model_number":null,"name":"THE TWIDDLERS 128 Piece Wooden Train Track Expansion Pack, Extra Large Bulk Set Compatible with All Major Brand Toy Trains - Selection of Straight and","product_url":"https://www.mainbuyer.com/product/the-twiddlers-128-piece-wooden-train-track-expansion-pack-extra-large-bulk-set-compatible-with-all-major-brand-toy-trains-selection-of-straight-and-b0fy73m3lq","urn":"MB-AWIN-GB-B0FY73M3LQ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"74.99","historical_low":"74.99","last_observed_at":"2026-09-17T12:28:54+00:00","low_30d":"74.99","low_90d":"74.99","median_price":"74.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:54+00:00"}}