Opk and hot help!!!!

Cassie • Momma of Three Graci 5-7-15 Graeson 9-7-16 Gabriel 8-6-19! Angel Momma of Two Nov 2015 and Twin B Jan 19 2016!
Does any work i just bought some off ebay it had like 30 opk and 10 hpt??? Do they all work the same