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.
Finally a great use for paint sample cards.Everyday Cookies: Kraft Brown Paper and Paint Chip Sample Thank You Note Idea
Kids’ Parties: DIY Musical Instruments with Washi Tape by AliceandLois for Julep
DIY Butterfly Party Favor ~ Made with painted clothes pin, googly eyes, pipe cleaner & a sandwich bag filled with treats. Party favors for Brooke's birthday?