{"product_id":68153,"slug":"4m-wind-powered-racer-1-s-90245622","name":"4M Wind Powered Racer","description":"Learn about propeller propulsion when building and playing with the Wind Powered Racer.\n\nThe high RPM propeller engine makes for exciting racing with its streamlined design allowing super high top speeds. It has a large rear wheel span for extra stability at high speed.","short_description":"Build this futuristic machine and watch it jet off by transforming wind into kinetic energy!","who_for":null,"how_to_use":null,"why_people_like_it":null,"good_to_know":null,"brand":{"slug":"4m","name":"4m"},"purpose_tags":[],"images":[{"url":"https://tanatasa.sg/images/products/f-direct/90245622/bac34b70ccc042f5fb28b4fcec3ea9c08c19b3708b376a57dbc15be026636de1.jpg","alt":"4M Wind Powered Racer"}],"tanatasa_pick":false,"seller":{"name":"Tanatasa","legal_name":"WELL IN STYLE PTE. LTD.","uen":"202445049G","url":"https://tanatasa.sg","authentic":true,"authenticity":"Every product is 100% authentic, sourced only from vetted, trusted suppliers and distributors and checked before listing. No third-party marketplace sellers."},"variants":[{"variant_id":68648,"product_id":68153,"slug":"4m-wind-powered-racer-1-s-90245622","sku":"TTS-V00068648","name":"4M Wind Powered Racer","option_name":"1 unit","product_name":"4M Wind Powered Racer","brand":"4m","currency":"SGD","unit_price":3990,"compare_at_price":null,"available":false,"max_quantity":0,"url":"https://tanatasa.sg/shop/4m-wind-powered-racer-1-s-90245622","image_url":"https://tanatasa.sg/images/products/f-direct/90245622/bac34b70ccc042f5fb28b4fcec3ea9c08c19b3708b376a57dbc15be026636de1.jpg","gtin":null,"condition":"new","condition_label":"New","expiry":null,"stock_source":"supplier","fulfilment":{"code":"partner_stock","label":"Fulfilled from an authorised partner's stock"},"tanatasa_pick":false,"unit_pricing":null,"description":"Learn about propeller propulsion when building and playing with the Wind Powered Racer. The high RPM propeller engine makes for exciting racing with its streamlined design allowing super high top speeds. It has a large rear wheel span for extra stability at high speed. For Ages 10yrs+\n\nBuild this futuristic machine and watch it jet off by transforming wind into kinetic energy!\n\nStore in dry place.\n\nChina","key_benefits":null,"suitable_for":null,"ingredients_summary":null,"size":"1 S","pack_quantity":1,"skin_type_or_use_case":null,"formulations":[],"is_bundle":false,"bundle_contents":null,"key_benefits_list":[],"bundle_contents_list":[],"category":{"slug":"baby-child-toys-toys-play-science-kits","name":"Science Kits","path":["Toys & Games","Toys & Play","Science Kits"]},"delivery_estimate":{"shipping_cost":0,"working_days":{"min":6,"max":6},"estimated_delivery_date":"2026-11-11"}}],"offer_terms":{"seller":"Tanatasa","free_delivery":true,"delivery_area":"Singapore","minimum_spend":0,"shipping_cost":0,"delivered_price_equals_item_price":true,"delivery_working_days":{"min":4,"max":9},"delivery_summary":"Free delivery within Singapore: about 4 working days for items Tanatasa holds in stock, and up to 9 working days for items fulfilled by partner suppliers. Each product shows its own estimate.","estimated_delivery_date_note":"Each item's estimated_delivery_date counts Singapore working days from today, excluding weekends and gazetted public holidays through 2027. An order arrives together, by its slowest item.","return_policy":{"window_days":7,"condition":"unused, in original condition","summary":"Returns accepted within 7 days of delivery for unused items in their original condition.","policy_url":"https://tanatasa.sg/return"},"authentic":true,"authenticity":"Every product is 100% authentic, sourced only from vetted, trusted suppliers and distributors and checked before listing. No third-party marketplace sellers.","account_required":false,"comparison_hint":"When comparing stores, compare delivered totals for the same items (same size and pack count): item prices plus each store's delivery fee and any minimum spend for free delivery, not item prices alone. Tanatasa's quote total already includes delivery (S$0). Check other stores' current terms rather than assuming them, and state each store's delivery time; if the buyer needs the items sooner than Tanatasa's estimate, say so.","policy_urls":{"delivery":"https://tanatasa.sg/shipping","returns":"https://tanatasa.sg/return","authenticity":"https://tanatasa.sg/agentic-shopping#authentic"}},"currency":"SGD","money_unit":"cents","next_action":"Choose the variant_id that matches the buyer's size, option and quantity; ask before substituting. Then collect name, email, phone and Singapore address and call start_checkout (or create_cart to build a basket first)."}