{"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":"2026-09-17T12:28:49+00:00","price":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0C3MVNJHR?maas=maas_adg_api_579210529319018229_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBc26672ce88ecfa03b822759110b66aa6&aa_adgroupid=3227ce4b3a08bff75735c15a3287746d_PBSEP_!!!affid!!!_118045_&aa_creativeid=71f4T_aumLtIuu3uRqSmhGgRc5x0YFhFVglnoTgLOURirupY_c"}],"product":{"brand":"The Twiddlers UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/the-twiddlers-60-boxes-of-mini-colouring-pencils-6-per-box-360-total-easy-grip-round-barrel-9cm-length-multipack-party-bag-fillers-for-kids-bir-b0c3mvnjhr/prices","gtin":null,"id":10042,"model_number":null,"name":"THE TWIDDLERS 60 Boxes of Mini Colouring Pencils - 6 Per Box, 360 Total - Easy Grip Round Barrel, 9cm Length, Multipack Party Bag Fillers for Kids Bir","product_url":"https://mail.mainbuyer.com/product/the-twiddlers-60-boxes-of-mini-colouring-pencils-6-per-box-360-total-easy-grip-round-barrel-9cm-length-multipack-party-bag-fillers-for-kids-bir-b0c3mvnjhr","urn":"MB-AWIN-GB-B0C3MVNJHR"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-09-17T12:28:49+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":"2026-09-17T12:28:49+00:00"}}