Make sandpit more attractive?

Hi, My two children made a sandbox yesterday. I filled it with these two fillings, layer by layer. https://www.dehner.de/produkte/vitakraft-ueberstreu-kraeuterland-einstreu-10-l-X001415777/ https://www.dehner.de/produkte/bunny-nature-interactive-buddelspass-sandmix-8-l-X003150513/ Unfortunately, they're not interested in it. The other four rabbits in the garden (all female, and yes, I know you shouldn't keep groups like that) dig very regularly, so I thought I'd make them happy…

Get sterilized at 20?

Is there any gynecologist in the NRW region who would dare to perform such an operation? Normal contraception with hormones or a copper IUD is not possible for me for health reasons and contraception with a condom is very unreliable in the long term. I won't have any children, firstly because I have zero maternal…