Radio Jammer
This one is super easy and does not take long.
What You Need
1 remote control
some masking tape
1 raido
some masking tape
1 raido
First,check if the remote contol messes up the radio when thay are both on
If it does, then tape it near the radio.
Then turn it on. If its close then it will turn the radio off. Great for scaring little sibblings.