Feel like dmaking music by drawing. This is a tool for that

 This music experiment https://ojack.xyz/PIXELSYNTH/ is very interesing and amusing

https://teacher-content.com/ is a place for geography games etc.

 Tecaher-content.com is worth cheking if you are looking for geography games etc.

Here is a idea. Tricider is a handy tool for brainstorming and voting

www.tricider.com is a nice and easy tool for new ideas and brainstorming . If the are any?

Blooket is a bit like Quizizz and Kahoot or Quizlet

blooket.com/ is worth checking. Nice tool to create quizzes etc. Note that you can use your quizlet.com exercises!!

Math games for younger

 https://www.matific.com/ca/en-ca/home/ looks like a nice place for  math excersices. For  younger and maybe for older too.

Interactive games etc. for elementary schools

 https://toytheater.com/ contains vast catalog of games ect. for elementary schools. Math, art, muci nad musch more

Many mant math games for young children

 explore PBS  kids maths games here.