Cut avocados in half, remove the pits, and score them into square chunks. Let kids scoop them out and dump into the mixing bowl.
Prepare your other ingredients and place each one into a separate bowl for kids to dump into the avocado mixing bowl.
Add garlic, salt, onions, cilantro, and lime into the avocado mixing bowl.
Let kids mash and mix avocados with the ingredients.
Let kids sprinkle tomatoes on top.
Enjoy with tortilla chips (or tortillas) depending on your kids age.