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K'Nex，电动地狱过山车套装 有639片拼件 一个汽车和一个过山车链电梯，特价$28会员包邮
As one of its daily deals, Amazon offers Prime members the K'Nex Thrill Rides Electric Inferno Roller Coaster Building Set for $27.50 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.99.) That's $18 off list and the lowest total price we could find. It features 639 pieces, including a motor and chain lift with a coaster car. Deal ends today.
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