happy childrens day school poster with kids

39aph39 activity advertising alphabet art back backpack bag banner books brand cartoon celebration child childhood children childrens colorful comics craft crayons creative design diagram drawing education educational elementary encourage event face father festive flyer font friendship fun global globe group happiness happy holiday idea inspirational joyful kids kindergarten learning markers materials materialss memories minds numbers pencils person play playful playing post poster presentation rights ruler school schools supplies support teamwork text tools unity world young