Üçgen ( Okul Öncesi Eğitici video )

https://www.youtube.com/watch?v=GJL0IYCuKRI

https://www.youtube.com/watch?v=ww6Cr-s9wLM

https://www.youtube.com/watch?v=nU-Z5ECiniU

https://www.youtube.com/watch?v=O2DH8cPLm04

https://www.youtube.com/watch?v=78LoHKSNaZE

https://www.youtube.com/watch?v=yQ2FQw6OptM&list=PLxilqzfMVzOSc9GaOjMRgHvbZvWbNsGlg&index=8