Green & shiny pennies
Here’s another fun experiment with pennies. You need half a cup of vinegar and a teaspoon of salt. Mix it and put the coins in the solution. The dull ones will regain their shine. If you want to keep them shiny rinse them in water, if you want to turn them green/blue put them to […]
Surface tension experiments
A great way of teaching kids about water surface tension with just a bunch of coins (plastic or real), water and a dropler. I did this with my 5 year old and she really enjoyed playing and testing, but a more understanding of the concepts would be achieved with older kids so I will definitely […]
Bottle caps bugs
I always like to use packaging for playing so I have a lot of caps saved in a drawer for crafts We have used some of them to make little bugs for the garden. We have also made two spider cards. You need caps, acrylic pens and a finishing spray if you want them waterproof. […]