We experimented by altering the height of the slope and also placing paper on the slope to see if more or less friction worked the best.
Overall, we found that the horses walked better if the slope was higher and if there was paper on the top. Some of the children are still experimenting during Golden Time.
ere is the link to the website if the children (or you!) would like to have a go at home: https://frugalfun4boys.com/paper-horse-that-walks/