Replace motherboard for tab3 kids

[sk8hunter]

Hello , i have a tab 3 kids SM-t2105 i want to replace the motherboard but it's unavailable, can i replace it with one from another model like t211 or t210

 

[pkcable]

Quick search of Ebay (US Ebay) and I found several for sale in the 20 to 50 dollar range. I also saw the tablet itself for around 100. If it WORTH the repair? You can get an Amazon Fire kids tablet for around 100 also. They pledge to replace it free if you break it....

https://www.amazon.com/Fire-Kids-Ta...ag=hawk-future-20&ascsubtag=UUacUvbUpU6131252