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.

Math games

 Here is topmarks.com and some math games . Seems to be nice and there are many.