{"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":"2026-09-17T12:30:29+00:00","price":"29.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B08HHBCFDX?maas=maas_adg_api_579533076337607528_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB5b30ceffefb0240d89c2867c65644ce7&aa_adgroupid=93bf8ac29071805944bb0938f6ba45c0_PBSEP_!!!affid!!!_118045_&aa_creativeid=01a9HDpcoPD3n0vHz21F_b_aVkowKQKOCUxG0JchIcP4TBkGA_c"}],"product":{"brand":"GANCUBE UK","evidence_url":"https://mainbuyer.com/evidence/products/356-m-3x3-gans-magnetic-speed-puzzle-cube-with-extra-ges-stickerless-b08hhbcfdx/prices","gtin":null,"id":12728,"model_number":null,"name":"356 M, 3x3 gans Magnetic Speed Puzzle Cube with Extra GES, Stickerless","product_url":"https://mainbuyer.com/product/356-m-3x3-gans-magnetic-speed-puzzle-cube-with-extra-ges-stickerless-b08hhbcfdx","urn":"MB-AWIN-GB-B08HHBCFDX"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"29.99","historical_low":"29.99","last_observed_at":"2026-09-17T12:30:29+00:00","low_30d":"29.99","low_90d":"29.99","median_price":"29.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:29+00:00"}}