puzzle key ring

I present you a 4-piece puzzle keychain that fits perfectly into each other, but with a good hold in each other so as not to lose them. they have different decorations: - digits from 0 to 9 (year of birth for example: 1971 as shown in the photo) - letter from a to z (initial of both spouses, children........) - spider - seahorse - rabbit - pink flamingo - horse - hearts - butterflies - runner-up - autumn leaf - mouse -(Decoration for accompanied by i