A double card with an envelope featuring the actual sound of the animal depicted on the card.
Check out the video on YouTube, which features a clip where you can hear the sound.
(You can find it on this page; there’s a red icon in the top right-hand corner of the image)
There is plenty of space to write on the inside; it is currently blank.
Dimensions when folded in half as shown in the image: 15 x 16 cm
