{"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":"2026-09-17T12:29:18+00:00","price":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B07ZTR4W26?maas=maas_adg_api_579210529319018229_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBc26672ce88ecfa03b822759110b66aa6&aa_adgroupid=155a4c6398aa3db2b2e4128d53037a9d_PBSEP_!!!affid!!!_118045_&aa_creativeid=20ecJlWSmoYV_a8ao8FF0q_ap99s2H2JEK8u_bh_anccYa_bxhwo_c"}],"product":{"brand":"The Twiddlers UK","evidence_url":"https://www.mainbuyer.com/evidence/products/the-twiddlers-40-kids-stationery-sets-20-pink-20-blue-contains-two-pencils-ruler-sharpener-eraser-multipack-perfect-party-bag-fillers-for-b07ztr4w26/prices","gtin":null,"id":10978,"model_number":null,"name":"THE TWIDDLERS - 40 Kids Stationery Sets, 20 Pink & 20 Blue - Contains Two Pencils, Ruler, Sharpener & Eraser - Multipack Perfect Party Bag Fillers For","product_url":"https://www.mainbuyer.com/product/the-twiddlers-40-kids-stationery-sets-20-pink-20-blue-contains-two-pencils-ruler-sharpener-eraser-multipack-perfect-party-bag-fillers-for-b07ztr4w26","urn":"MB-AWIN-GB-B07ZTR4W26"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-09-17T12:29:18+00:00","low_30d":"19.99","low_90d":"19.99","median_price":"19.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:18+00:00"}}