Previous page Great Partner for Sensory Toys Matching color waldorf ribbon hand kite give baby more sensory feeling, like touch. Thick Sturdy&Splash-proof Visual stimulation card is double-sided film thick cards, good splash, easy to clean cloth or towel. Safe for baby High Contrast Cards use rounded corners and kid-friendly for little hands. Next page 1 BABY FLASH CARDS 2 HIGH QUALITY 3 Rounded Corner Design HOW TO USE 1. Hold a flash card about 12-16 inches away from baby's eyes and move them slowly to catch theirattention. Once the baby has observed 5-6 seconds, switch to the next one. 2. We recommend using 5-10 cards per session, with no more than 5 sessions per day, and eachsession lasting no longer than 15 minutes. 3. lf your baby seems restless, stop the activity and introduce a new theme in the next session. 4. During use, parents should closely observe the baby's condition.