The invitation my daughter chose was not so cutesy as her brothers:
For the food:
Dino Dogs - hot dogs in buns, cut in half
Dino Nuggets - chicken nuggets i lucked into at Aldi in the shape of dinosaurs
dinosaur claws - bugles
dinosaur bones - pretzels
protozoic slime rolls - spinach rolls
veggies and dip
Giant T-rex balloon, pink and green spotted balloons, pink and green streamers, and dinosaur foot prints leading up to the house.
Dinosaur hatch. Found these dinosaur eggs on Amazon that hatch in water. So, we hid the eggs around the yard and i had mason jars with water. The first thing the kids did was find an egg and drop it in the water. we put their names on the jar. It took quite a while for the hatching to begin, but by the end of the party, most eggs had started to split.
Dinosaur Dig. I found dinosaur skeletons on Amazon and buried them in a sand pile. The kids were each given a paint brush to unearth their skeletons.
I also found geodes on Amazon and with a couple of hammers, each kids ended up with a bag of crystals.
To end, we played dino stomp. I had cut a bunch of dino footprints from different colors and we put together a play list of dinosaur music. had the kids walk around, cake-walk style, and then called colors. if you were on that color, you got a lizard and then got to sit in the middle. once everyone had a lizard, they were all sitting down and ready for cake.
Cake: layered dirt cake. I made regular dirt cake and layered it with sprinkles and then marshmallows. we pressed little plastic dinosaurs into the centers and as they ate, they dug through the layers like little paleontologists to find their dinosaurs.
each got to take home their jar, a skeleton, a lizard, dinosaurs, and a dino tattoo that i just picked up because i was on a role buying dinosaur stuff.