{"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":"2026-09-17T12:30:30+00:00","price":"29.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GMWHZ82Y?maas=maas_adg_api_579533076337607528_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB5b30ceffefb0240d89c2867c65644ce7&aa_adgroupid=a9e191aa0c778faa266e1a8b6c5c0575_PBSEP_!!!affid!!!_118045_&aa_creativeid=a553t99eFpbW3N8Di5x69D1u393lhHEQpQyPSVd2mquXd4c_c"}],"product":{"brand":"GANCUBE UK","evidence_url":"https://www.mainbuyer.com/evidence/products/swift-3x3-super-maglev-speed-cube-super-swift-block-2026-flagship-76-magnets-patented-core-uv-coated-professional-3x3x3-puzzle-premium-stem-t-b0gmwhz82y/prices","gtin":null,"id":12784,"model_number":null,"name":"Swift 3x3 Super Maglev Speed Cube, [Super] Swift Block 2026 Flagship - 76 Magnets & Patented Core, UV Coated Professional 3x3x3 Puzzle, Premium STEM T","product_url":"https://www.mainbuyer.com/product/swift-3x3-super-maglev-speed-cube-super-swift-block-2026-flagship-76-magnets-patented-core-uv-coated-professional-3x3x3-puzzle-premium-stem-t-b0gmwhz82y","urn":"MB-AWIN-GB-B0GMWHZ82Y"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"29.99","historical_low":"29.99","last_observed_at":"2026-09-17T12:30:30+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":"2026-09-17T12:30:30+00:00"}}