{"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":"2026-09-17T12:28:34+00:00","price":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GQ2BGKXQ?maas=maas_adg_api_579533076337607528_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB5b30ceffefb0240d89c2867c65644ce7&aa_adgroupid=d8aed50641b84f41dbb4100f32170ab1_PBSEP_!!!affid!!!_118045_&aa_creativeid=fb83XKSaWXar7fmXxcspmOEOvPofz3vvyWANNm8RK4cDj3c_c"}],"product":{"brand":"GANCUBE UK","evidence_url":"https://www.mainbuyer.com/evidence/products/gan-356-rs-speed-cube-3x3-stickerless-puzzle-for-kids-beginners-b0gq2bgkxq/prices","gtin":null,"id":9515,"model_number":null,"name":"GAN 356 RS Speed Cube 3x3 Stickerless Puzzle for Kids, Beginners","product_url":"https://www.mainbuyer.com/product/gan-356-rs-speed-cube-3x3-stickerless-puzzle-for-kids-beginners-b0gq2bgkxq","urn":"MB-AWIN-GB-B0GQ2BGKXQ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-09-17T12:28:34+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":"2026-09-17T12:28:34+00:00"}}