Could You Complete Mister Softee's 5LB Cone Challenge? Get our free mobile appRight now, Mister Softee is offering a 5-pound cone challenge; eat one 5-pound chocolate vanilla twist cone in 5 minutes to score some free ice cream and a free T-shirt. How Much Does The 5LB Cone Challenge At Mister Softee Cost? The 5 Pound Cone Challenge is available at all Ocean County Mister Softee locations, and it costs $30 to participate in the challenge. And when you think of how much ice cream you're getting for $30, it's honestly a great deal!