Eggsactly: An Egg Carton Game

Eggsactly™ is a game of precise observation developed by my 9-year-old daughter, Lane. For 2-12 players, begin with the same number of eggs and charms. Without their opponents looking, each player places a number of charms on the interior posts of the eggs, then closes up their egg.
Each player gets a chance to record the number of charms in each egg. After everyone has had their chance to record their totals, the eggs are opened and the actual amount is compared to the estimate. The person