Boy picture - https://www.pexels.com/photo/boy-braces-dental-dental-health-543004/ (Pexel License - Free for commercial & noncommercial use, modification allowed, no attribution required)
Girl picture - https://pixabay.com/illustrations/cute-girl-cartoon-2579862/ (Pixabay License - Free for commercial & noncommercial use, no attribution required)
Sounds: Background sound - http://bbcsfx.acropolis.org.uk/?q=wind+rustl (Night atmosphere, open rural skyline, occasional gust of wind and rustle of leaves.) RemArc Licence & BBC Copyright & Open Government Licence: bbc.co.uk - © copyright 2019 BBC.