Check the listing for details. Alexis strata Prime. Condition: Used, Made in China. Listed at 2700.00 USD. The Alexis Strata Prime is a full drum kit from Alesis, designed for electronic drumming enthusiasts. This drum kit offers high-quality percussion instruments and gear for creating dynamic and realistic drum sounds. With the brand's reputation for reliability and innovation, musicians can expect a professional-grade drumming experience with the Alexis Strata Prime.