Knutsel eens een tafelvoetbalspel in elkaar (ideaal voor.Great idea, but obviously never had boys.
Cheerios work too. Simple pasta threading activity for toddlers to do using play dough and straws. Great for fine motor development and hand/eye coordination. Lots of fun too.
Umbrella Rainy Day Card for Kids to Make (Spring craft) - such a cute Spring showers craft idea!
Kid made marble maze using scrap materials from around the house (Boredom Buster) Perhaps could be done with natural materials too, if out on a walk