{"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":"2026-09-17T12:29:07+00:00","price":"27.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GRVP38M8?maas=maas_adg_api_588931004069231492_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBbe97f4f79ea1aeca1f44a9454ea4ec40&aa_adgroupid=34e29d02dc0326b6f42e03d09494cf83_PBSEP_!!!affid!!!_118045_&aa_creativeid=6ed25uACGuk_b3l6QN7kn_bYLeSsz1hCOhfcLZRfvIKojd_bS8_c"}],"product":{"brand":"ARNSSIEN-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/arnssien-2-in-1-kids-1000x-microscope-telescope-science-kit-for-kids-b0grvp38m8/prices","gtin":null,"id":10663,"model_number":null,"name":"ARNSSIEN 2-in-1 Kids 1000x Microscope & Telescope, Science Kit for kids","product_url":"https://www.mainbuyer.com/product/arnssien-2-in-1-kids-1000x-microscope-telescope-science-kit-for-kids-b0grvp38m8","urn":"MB-AWIN-GB-B0GRVP38M8"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"27.99","historical_low":"27.99","last_observed_at":"2026-09-17T12:29:07+00:00","low_30d":"27.99","low_90d":"27.99","median_price":"27.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:07+00:00"}}