Here are some of the suggestions that I've come up with, lots others can be found on my Ideas board on Pinterest. Do come and say Hello and check out my other boards whilst you're there :)
Start with a magazine or newspaper clipping and let the child expand the picture. Genius! From artmommie.blogspot.com
We love Cheerios and we love the birds that visit our garden. What better idea than these Cheerio bird feeders from happyhooligans
Marble races with a pool noodle or you could construct a track out of toilet & kitchen rolls. This idea is from myhomespunthreads.blogspot.com
And whilst you're out with the marbles, why not try and spot of marble painting? theschoolsupplyaddict.com
Make colourful salt dough ornaments, from two-daloo.com
I've got a number of heart decorations hanging here and there in the house, and it would be nice to replace these with some homemade ones :)
Trace your outline and decorate. Looks great! From passionatehomemaking.com
You'll also find some other ideas over on an older post of mine, here.
What are your go-to activities for entertaining little ones?