Tin Can is the 'landline' for kids. It's become so popular, its service is overloaded — and it's apologizing to parents

Tin Can landline phones for kids.

Tin Can

• Tin Can is a "landline" phone for kids that is gaining buzz and keeps selling out.
• On Christmas morning, its service was overloaded, and kids couldn't make calls.
• Tin Can has apologized and waived its monthly fee. It says it's nearly back to 100%.

The Tin Can phone, a "landline" designed for kids, is having growing pains.

It's become so popular that its service crashed on Christmas, leaving kids upset that they...