Ladybug Counting Stones are a engaging way to explore counting to 20, subitising, odd and even numbers, and addition and subtraction. Each set of spotty ladybugs includes two each of 0—10 (22 Ladybugs) and an activity leaflet of related ideas and games. Durable and weatherproof the bugs are perfect to be used in their natural outdoor environment — perfect to be housed in a tray of leaves and twigs. Each Ladybug measures 2" .The Ladybugs Early Number Cards are an ideal way to explore early math skills using the Ladybug Stones. The detailed, photographic images featured on the cards will aid the development of key mathematical language. Made from durable plastic, the cards are tough enough for use in the outdoor area. Each set includes 16 colorful cards measuring 8 x 11''.