Eletrolytic caps don't like 3 conditions:
- heat
- high frequencies
- high power
Heat is bad by itself because it makes the cap dry out or boil and explode. The other two conditions lead to increased ripple current and therefore to more heat. Worst example are switchmode power supplies. Thea are very densely packed (heat), are working at high switching frequencies (ripple current) and sometimes even high power output (more heat and current)
In your case, you have a toy working at DC or low frequencies, low currents (battery operated?) and a lot of cool air inside (I assume). So the capacitors are not number 1 repair target there...
My almost 60 year old tube radio works perfectly with its orogonal capacitors, although it's quite warm inside :-)