Baby's First Words Flash Cards - Around the House by MonkiSee. $16.95. Teach your baby (ages 3 months - 3 years old) with these over-size, 5 x 8", full color flash cards. Each set includes 40 word cards with a full color picture on the opposite side to reinforce concepts being taught. Babies learn animals, items in the house, foods and beverages and possessions that are commonly found in the home environment.