My kids loved digging for dinosaur 'fossils' hidden in plaster of Paris. (Click here to see how) We decided to try a cheaper and easier version - excavating for creatures hidden in ice. It was very easy to prepare and kept the kids entertained for ages.
Time: 30 minutes plus freezing time in advance.
Age: Under 5's, 5-10's
Plastic creatures or treasure
Toy hammers/ spoons/ brushes etc for excavating with
Add a plastic creature to each tub and cover with water.
Add a few drops of food colouring and mix in if you want to make colourful ice.
Put in to the freezer for at least 4 hours.
Pop out and out the ice bricks onto a tray. Set out toy hammers, toy chisels, spoons etc.
Allow the kids to hammer, or chip away at the ice blocks to excavate their creature hidden in the ice. A brush is also quite fun to brush off ice chips when the creature starts to be revealed.