LEGO 70172 AntiMatter's Portal Hideout is a Ultra Agents set valued at $340 for new and sealed sets, up 386% from an original retail price of $69.99. The set retired in December 2015 with annual appreciation averaging 10.33% since. Used copies are valued between $172 and $210 depending on condition. Secondary market prices for new and sealed sets typically fall between $203 and $420.
LEGO 70172 AntiMatter's Portal Hideout is an Ultra Agents set released in 2015, containing 475 pieces and 4 minifigures. The set features a sea-based portal hideout with a claw arm, portal mine launcher, prison pod, zipline, trapdoor, and a grappling hook element. It also includes an Ultra Agents speedboat equipped with stud shooters for pursuit play. Named minifigures are Ultra Agent Solomon Blaze, Ultra Agent Max Burns, AntiMatter, and Sharx.
A new and sealed AntiMatter's Portal Hideout is currently valued at around $340, with annual growth of 6.9% that is expected to level off to around 6.6% in the coming year. The average used price is $175 for those in good overall condition. Based on current trends, this set could be valued near $352 within the next year. The 4 included minifigs account for approximately 35% of the set's total value. The set was available for 7 months, from May 2015 to December 2015.