21 Books | Numbers | From 3 to 6 yearsIn the same collectionGamesRon-ron's subtractions2 minNumbersGamesTens and Onces5 minNumbersGamesGreater than, less than signs4 minNumbersDiscoveryLearn simple additions with dice4 minNumbersGamesRon-ron's additions2 minNumbersGamesHow many ?5 minNumbersGamesLearn simple subtractions4 minNumbersGamesLearning simple additions6 minNumbersDiscoveryLearn simple additions with objects5 minNumbersDiscovery60 to 704 minNumbersDiscovery1 to 104 minNumbersDiscovery40 to 504 minNumbersDiscovery80 to 904 minNumbersDiscovery50 to 604 minNumbersDiscoveryTens4 minNumbersDiscovery70 to 804 minNumbersDiscoveryCount on your fingers4 minNumbersDiscovery20 to 304 minNumbersDiscovery10 to 204 minNumbersDiscovery30 to 404 minNumbersDiscoveryHundreds4 minNumbers