These are really cute - would be easy to construct, too, with folding of circles for motor skills - not sure if they're just patterned paper circles or cupcake cases, but either would be fine.
Perler Beads, Mini Hama Beads, Easter Egg Cake, Hama Beads Patterns, Cake Toppers, Holidays Events, Seed Beads, In Living Color, Free Time
Paper Strip Easter Egg Art for Kids Could do this with any shape. Hearts for Valentines, Shamrocks for St. Trees or ornaments for Christmas. Well, you get the idea.