What is hidden in the police van and fire engine? Would you like to ride in an ambulance or operate a helicopter and a tow truck? Flip-flap! Raise the flap and discover how firefighters defend themselves from fire, turn the wheel and activate the snow blower, pull the tab and go for an emergency response! Thanks to fun animations and interactive mechanisms, this book will let you know the secrets of the vehicles you see every day and the strangest and most particular ones