And a hilarious gallery of the destruction tots have left in their wake shows exactly why.
From cheeky kids chucking their books down the loo, to a loving note scratched into a car bonnet - these tots certainly love mischief.
No doubt these kids' parents were in for quite a shock when
The youngster suffered life-threatening injuries and was declared dead at the scene - making her the tenth person to die as two treacherous weather systems collided.
Police confirmed the dangerous icy conditions in Cornish port Looe, caused the little girl's death.
The area had been made a "risk for life" red warning zone
A DAD-of-five is facing a potential leg amputation after he was attacked by a Portuguese man o'war on a beachside family holiday.
John Atkin was swimming with his kids off the coast of New South Wales, Australia, when the beast agonisingly wrapped itself around his left leg - instantly
WHISPERS of the "black panther of the north Sierra" sparked panic and a massive police hunt in Spain - until cops admitted it could just be a black dog.
Frightened people in the municipality of Jadraque Guadalajara called in the Civil Guard last week after fearing a massive beast
A SUSHI-lover who displayed no symptoms was found to have a huge 9ft tapeworm in his stomach.
The worm had to be folded 18 times to fit into a picture taken by the Singapore General Hospital's Department of Microbiology.
Despite the tapeworm's length of 2.8 metres (9ft 2in), the patient
CONSPIRACY theorists have blamed the deluge of snow and ice that has battered America's east on secret government weapons testing going wrong.
The extreme temperatures, dubbed a "bomb cyclone", has sparked speculation that it was caused by secretive experiments to change the weather using silver iodide bombs.
Here's your #bombcyclone
THE same model of seaplane that killed a British millionaire and his family on New Year's Eve caused the deaths of ANOTHER British family - just two years ago.
Richard Cousins, 58, died yesterday alongside new fiancee Emma Bowden, her 11-year-old daughter Heather and his sons, Ed, 23, and William,
THE driver involved in the deadly car crash which left a Home and Away actress fighting for her life was a drug addict who was driving home from a methadone clinic.
Craig Anthony Whitall, 50, who died in the Boxing Day smash in New South Wales, Australia, had been
RAPPER and YouTube star Lil Peep may have taken the powerful opioid fentanyl the day he died, according to reports in the US.
Fentanyl - which is so potent that even a tiny amount can kill - was a factor in the accidental overdose of pop superstar Prince.
A BIZARRE phenomenon which saw the sun turn red could return tomorrow as dust blows across the continent from Iberia.
Hurricane Ophelia whipped up dust from the Sahara with 80mph winds and dragged it north towards the UK creating an orange haze across the sky.
The deadly storm - which
THE boss of a parachute club where an Army sergeant is accused of attempting to murder his wife told a court knots in her chute lines were likely caused by missing parts.
Emile Cilliers is on trial and accused of tampering with the equipment of his former Army officer
A BA plane was forced to make a swift landing after terrified passengers claim an engine caught fire minutes after take off last night.
Passengers praised the crew of flight BA0344 from Amsterdam to London for landing safely after the dramatic event, but others slammed the airline as they
Paul Dixon was tracked down after boasting about his crime on Twitter
Paul Dixon, 24, of County Durham was tracked down after boasting about his crime on Twitter.
Computer geek Paul Dixon smirks outside court
He also admitted hacking police websites before bragging to fellow geeks online.
The unemployed defendant, described by
Can Kabadayi, 27, videoed the entire experience, from spying the dog on the road to the pooch's touching reunion with his owner.
Can Kabadayi was driving out of London when he saw the white pooch darting up and down the M4 close to the central reservation.
A man has shared