Set the kids up in an empty space and give them the ice block. Have them try to get the toys out using warm water and syringes. They fill the syringe with warm water and let it melt the ice around the toys.
Make a list of categories of items in your house. Examples: Something you can make a fort with, something that starts with an A, something that your sister uses to sleep.
Take out some cookie cutters or other random kitchen utensils (tuna strainer, knife, fork, different size measuring spoons and have them play around). This is a super fun sensory activity for children.