With orders of $25 or more, Amazon offers its Prime members the LEGO Duplo Ice Cream Truck, model no. 10586, for $5.90 with free shipping. That's $2 under our March mention and the best price we've seen. (It's a current low by $3.) The set includes an ice cream truck, two figures, and cash and ice cream blocks.

Note: This item is part of Amazon's "Add-on Program"; it can only be purchased with an order of $25 or more.