From classic mailbox designs to whimsical unicorns, these Valentine boxes for boys and girls will make you wish you were in grade school again.

1. DIY Despicable Me Valentine Box

Instructables.

2. Camper Valentine’s Box

Suzy’s Sitcom

3. Girl’s Valentine’s Box

Susie Stamp A Lot

4. Birdhouse Valentine’s Box

Faith, Love, Hope.

5. DIY Frozen Valentine’s Box

One Artsy Mama

6. Red and Glitter Valentine’s Box

Love Pomegranate House

7. DIY Unicorn Valentine’s Box

Artsy Fartsy Mama

8. Fringe Valentine’s Box

Mom on Timeout

9. Pastel Valentine’s Box

Dream a Little Bigger