Dinosaur Fossil Excavation

by Jane (follow)
5 to 10s (616)      Medium (247)      Messy Play (109)      Dinosaur (16)      Plaster (13)      Plaster of Paris (12)      Fossil (3)     
Here's a great messy activity for young dinosaur fans - a dinosaur 'fossil' excavation. Get your excavation kit together and chip away at the plaster to reveal a dinosaur hidden inside.



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Time: 1 week setting time
Age: 5 to 10s
Level: Medium

Materials
Plaster of Paris
Handful of soil
Water
Old tub just larger than the dinosaur
Plastic dinosaur toy
Spare old container to mix the plaster
Excavation kit - we used a tray, toy hammer, toy screwdriver, paintbrush, safety goggles.

Safety note: quite a bit of plaster dust is created during the excavation so this is best done outdoors. You might also wear a dust mask.

Method
Mix the plaster of Paris according to the instructions on the packet. We used about 1 part plaster to 1 part water. We also mixed a handful of soil through the plaster to make it look older and help it break up more easily during the excavation.
Pour about a third of the plaster in the bottom of the tub. Allow to set for a few minutes then place the plastic dinosaur toy on top. (Keep stirring the rest of the plaster in the other tub to stop it from setting).



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Pour the remaining plaster over the dinosaur until just covered.



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Allow to set for about 24 hours then pop out of the tub.



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Allow to dry out for a few more days until completely dry. (We left ours for about a week total).
Set out the lump of plaster on a tray and put together an excavation kit. We used safety goggles, a toy wooden hammer, a toy wooden screwdriver and a paintbrush.



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Ready for the dinosaur excavation


Now have fun excavating your dinosaur. We hammered and chiselled the plaster, brushing the dust off with a paintbrush. My son was very excited to see the dinosaur limbs emerging first. More hammering broke up the plaster and the dinosaur could finally be removed and dusted.



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Discovering a dinosaur leg




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Dinosaur fossil excavation, dinosaur games kids, dinosaur buried in plaster, toy dinosaur hunt, toy dinosaur plaster


For more dinosaur craft ideas, click here.

Categories
#Dinosaur
#Plaster of paris
#Plaster
#Messy play
#5 to 10s
#Medium
#Fossil
 
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