Ladybug Counting Stones can be used throughout a setting to explore counting to 20, subitising, odd and even numbers, and addition. Bury the bugs in a tray filled with leaves and twigs or scatter them around the edge of an outdoor nature area for the children to discover. Each set of spotty ladybugs includes two each of 0–10 (22 Ladybugs) and will not fade over time. Bugs measure 50mm. Age 2+.