I don't think this is quite what you're looking for but I have these bookmarked for when my toddlers are a little older, to teach electronics.
https://www.scientificsonline.com
https://www.amazon.com/dp/B073VTCS66/ref=cm_sw_r_cp_api_i_FD...
Doesn't Khan academy work for you? It's the best thing I have found for my kids.
I don't think this is quite what you're looking for but I have these bookmarked for when my toddlers are a little older, to teach electronics.
https://www.scientificsonline.com
https://www.amazon.com/dp/B073VTCS66/ref=cm_sw_r_cp_api_i_FD...