What don't you understand, Grandpa?

Last weekend, Ryder said to Grandpa, "Grandpa, you will get my puzzles down please?" So Grandpa replied, "And what do I get?" Ryder looked at Grandpa like "What do you not get about this?" and pointed to the puzzles saying "that," then pointed at the floor saying "down." I guess from that perspective it must have seemed like an awfully silly question!