I had the very same issue as some have said on here about calling constantly but getting a full answering machine. I actually got so annoyed that I sent a rude email to them.
To my surprise I did get a response. They will not answer their phones but try emailing them. They have 4 people listed on their website with email addresses and I also included the customer service email. I had a customer service representative call me but Vic who is apparently the president of world tech toys was the one who specifically addressed my issue.
I am not going to the lie there was a lot of back and forth emails trying to communicate my issue but in the end he helped me out and I was satisfied.
I actually just received a replacement product about 15min ago. I am hoping this one works though...
Product or Service Mentioned: World Tech Toys Customer Care.
Reason of review: Poor customer service.