That is what I call a precise answer!Just measured mine.
It's 14inches from his head to the furthest part of his tail. Bear in mind it bends round so straightened out would be longer.
His tallest spike is 7 inches from the ground.
His body is about 3 inches thick at it's thickest.
Back leg is 4 inches tall, front is 3inches.
Head is 3 inches long and 1.5 inches wide.