I was going to make a tiered stand for the Delosperma to sit outside on next summer. I spotted this plastic version on ebay for £12.99. Not sure why it's £12.99 from this one seller as others are selling them at well over £30. Anyway, I set it up on the floor in the middle greenhouse and it's a very useful bit of kit. The second one arrived last week and it struck me that it'd be great in the top greenhouse to hold MrsG's cacti. It fits nicely onto/into a 2ft square tray leaving enough room at the front for a 4th row. I'll probably have to order another when MrsG isn't looking.