I also make use of the pellets on their ramp/play structure. I expected them to only kick it off at once but they really have held in on the whole time. I've nonetheless to convert the realm in the run with flakes in it to pellets (I am lazy hehe). https://wood-shavings-machine29406.bligblogging.com/36684062/details-fiction-and-wood-shavings-for-rabbits