I came across my sister old toy yesterday, inside I found a voice box and 4 buttons on each limb.
I just swapped the core with an ESP32 and use it with a modified GLaDOS version on my computer.
Then I have a talking teddy bear that have very strong opinion where you touch him
youtu.be/DmnCYh-Bp34
youtu.be
I made an AI teddy bear that can talk and feel
YouTube video by Build With Binh