{"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":"2026-09-17T12:30:32+00:00","price":"12.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0C3B3SJJR?maas=maas_adg_api_579533076337607528_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB5b30ceffefb0240d89c2867c65644ce7&aa_adgroupid=4ee9c73d5ea6b62e2f293c6a47eb947c_PBSEP_!!!affid!!!_118045_&aa_creativeid=4eb1YREHckIVkP53TfM8wuMgxcpd_bM_aqoNpYcgs9ynA70ZI_c"}],"product":{"brand":"GANCUBE UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/355s-3x3-magnetic-speed-cube-professional-magic-cube-with-48-magnets-fast-smooth-turning-adjustable-elasticity-solid-durable-stickerless-for-kids-b0c3b3sjjr/prices","gtin":null,"id":12864,"model_number":null,"name":"355S 3x3 Magnetic Speed Cube, Professional Magic Cube with 48 Magnets Fast Smooth Turning, Adjustable Elasticity Solid Durable & Stickerless for Kids","product_url":"https://mail.mainbuyer.com/product/355s-3x3-magnetic-speed-cube-professional-magic-cube-with-48-magnets-fast-smooth-turning-adjustable-elasticity-solid-durable-stickerless-for-kids-b0c3b3sjjr","urn":"MB-AWIN-GB-B0C3B3SJJR"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"12.99","historical_low":"12.99","last_observed_at":"2026-09-17T12:30:32+00:00","low_30d":"12.99","low_90d":"12.99","median_price":"12.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:32+00:00"}}