Are you looking for some fresh magnifying tray or activity ideas for your children? Here are ten that we've tried and enjoyed with my preschooler. Magnifying Glass with Matching Large and Small Cards - as this activity is new to us I've only put out three cards and they are really for observing. Later I will present all the cards and allow the child to match. This is so cute, my preschooler loves looking at the little images with the magnifying glass. Cards found here. Children's Binoculars - with an easy carry bag and a note 'take me on a...