I found a recipe here for making homemade fossils, but I cut the recipe in order to make a smaller quantity. My recipe makes enough dough for three kids to make one large or three small "fossils" each, and it uses just the right amount of leftover coffee to empty my coffeemaker. You will need:
1 cup of wet, used coffee grounds
1/2 cup cold coffee
1/2 cup salt
1 cup flour
Mix together with your hands, and add more flour if dough is too sticky. Divide into even pieces and place on waxed or parchment paper. Send kids out in the yard to collect specimens to "fossilize." My kids each tried various things from plant leaves, flower petals, and tree bark to sea shells and pinecones. Press the items in the dough using fingers or the back of a spoon and carefully lift out each item after the desired impression is made. Set "fossils" out to dry overnight. You may need to turn them over halfway through drying time for even drying. A great way to recycle the leftover coffee!

13 comments:
Very cool! How hard do they get? Would be cool to have the kids stickem around the farm.
They got pretty hard after a night out on the porch and took on a stone-like apprearance (about the same hardness as dry salt dough, but not as durable as ceramic.) They smell wonderful!
These are fabulous. I am always awed by the wonderful things homeschooling families get up to.
Thanks again for sharing with us.
I recently fell in love with the homemade fossils that Discovery International School did with plaster with his preschool students, but your recipe looks really easy, I think I might have to try this!
ok- this is Fab-u- lo-so! can I use it as a guest post on my homeschool blog? it will be a great way to drive some more traffic your way too!!! love love it and can't wait to do it w my boys! they're gonna "dig" it- (i'm so sorry- i just can't help myself)
Kelli-Sure you can! Thanks for the kind words.
By the way, the longer they sit out, the harder they get. Now they look and feel like stone.
How Fun! Your recipe looks very easy to use. And seems like it took to the pressing of nature items well. Much better than my store bought air dry clay. Thanks so much for sharing your blog with me. I am going to try your version this week.
That looks very easy to make and what fun the kids would have creating this! Thanks for sharing this idea at The Sunday Showcase!
Aimee
Classified: Mom
Congrats you have been featured! http://www.classifiedmom.com/2011/06/sunday-showcase-612.html
Very cool project! My boys love to collect things in nature and will really enjoy doing this.
Thanks for sharing.
Lovely blog, BTW. am now following you.I popped over from Sunday Showcase.
Colleen:)
I found your post today over at Come Together Kids. I think that we will be doing this today, provided I have enough coffee left! Thanks for sharing! I'm a new follower!
I still love this post, and I still have to make these! They were on my summer to do list, and I even had the coffee set aside in the fridge for a couple of days, but we just didn't get to them. Love them!! Thanks for linking them up to the 2011 Best Ideas for Kids blog hop - I truly think this IS one of the BEST ideas I saw for kids in 2011!
My boys and I have done this with both dinosaurs and leaves. It is so much fun and keeps my boys busy for hours.
Stopping by from Best Ideas of 2011 Kids Blog Hop. Happy New Year.
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