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.
Cork Drop - fine motor activities for babies/toddlers.
Fine Motor Activity: Buttons & Pattern Lines (from Learning 4 Kids)
Monster Feeder slot game - fine motor skill development - fun DIY babytoddler activity, from baby-
I really like the wipe packet windows on the bus.
Cardboard Beads Threading Activity for Toddlers - I love this activity, easy & affordable for parents and so much fun and educational for toddlers.
A box with holes and pipe cleaners - fine motor skills activities for toddlers and preschoolers