The process of harvesting and packing the salt results in some of the salt pyramids breaking into smaller flakes. Therefore the amount and size of intact salt pyramids varies from bottle to bottle.
Yes, some people really use a banana in order to both teach that the Bracha on a banana is ha'adama and to add uniqueness to this part of the seder.
We suggest you order Seder Salt as soon as possible as the shipping time is dependent on the USPS.
There is a Lego Set, The Great Pyramid of Giza, which we use as a center piece on our table. This can be purchased here, https://www.lego.com/en-us/product/great-pyramid-of-giza-21058 For an added level, Lego also sells mini frog figures that we spread around the pyramid.