Image Item No. Description  6150502  Set 10817 - Idea Card 1 - (6150502 / 6150505) Catalog: Books: Curriculum Activity Book: DUPLO  6150503  Set 10817 - Idea Card 2 - (6150503 / 6150506) Catalog: Books: Curriculum Activity Book: DUPLO  6150504  Set 10817 - Idea Card 3 - (6150504 / 6150507) Catalog: Books: Curriculum Activity Book: DUPLO  6190073  Set 10853 - Idea Card 1 - (6190073 / 6190077) Catalog: Books: Curriculum Activity Book: DUPLO  6190075  Set 10853 - Idea Card 2 - (6190075 / 6190079) Catalog: Books: Curriculum Activity Book: DUPLO  6190076  Set 10853 - Idea Card 3 - (6190076 / 6190081) Catalog: Books: Curriculum Activity Book: DUPLO