Lacing cards are a great fine motor activity for the preschool set and super easy to make. Find some ideas with these tutorials.
Tot school shows how to make some easy lacing cards your preschooler will love and provides several templates. They can even help with the punching if their little hands are strong enough.
Good for ages 3 and up.
Get the instructions here:
http://totschool.shannons.org/?p=3422
Teal and lime suggests punching holds into premade card stock shapes.
Get the instructions here:
http://www.tealandlime.com/2011/12/diy-lacing-cards-kids-gift/
Kpmattingly uses cookie cutters as stencils to create the lacing cards.
Get the instructions here: