Double Efficient Learning Resources Package 1 contains card reader device, 112 double-sided flash cards with 224 different words, 1 USB Rechargeable Cable and 1 Instruction. Our flash card adopts a unique double-sided design. A card with different patterns and vocabulary on both sides, Kids can learn different animals, vehicles, foods, fruits, colors, vegetables, daily nesessities, costumes, nature, persons, jobs and shapesLightweight amp; Portable Learning Toy Design with small size, easy to carry; No WIFI connection needed, pre-recorded standard pronunciation English words with intuitive and interesting flashcard, easy to learn anytime, anywhere, easy to use for kids, insert the card to read and learn, just change the flashcard for next words.High-Quality STEM Toys 1-6 years old is an important stage of infant retinal development. Safe is our first priority, our flash card machine is all made of high-quality, non-toxic and recyclable material, baby can play with confidence. No screen design is better for eye protection, parents no need to worry about the damage to eyes of their children after playing for a long time.