Where shall we explore today?
Tap any stone to see what to look for and to check it: Got it, Almost or Not yet. Stars appear when you mark Got it. Goals show the path of steps to a skill.
Skills come from the open Marble Skill Taxonomy (ODbL 1.0, CC BY-SA 4.0), shown in American English with US standards. Credits
Checks are saved with each child, on this device or in your family account.