Here’s a similar wooden set from Melissa Doug. As with my set, some of the foods will be symmetrical and some will not.
You can simply cut (or have your student) cut out a variety of different two-dimensional shapes to use for symmetry exploration.
Another fun, interactive idea for exploring symmetry is to hold your folded paper shapes up against a mirror.
Such a fun and different way to engage with this mathematical concept. This activity can be exciting for little hands as well as older kids!