Scrum Poker Points. That can be used. Planning poker in scrum brings together multiple expert opinions for the agile estimation of a project.
Steps for planning poker. Planning poker can be used with story points ideal days or any other estimating unit. In general this complexity is related of course to effort but also to risk and difficulties foreseen.
Planning poker is a consensus based estimating technique.
It is not necessary to have paper based cards. The cards will have common estimates on them e g. To conduct the planning poker session you would require several copies of deck of scrum planning cards. That can be used.
