Also there's a lot of advantages of play-based open-ended learning especially at that age. That's what we've focused on instead of trying to put our kid through

Also there's a lot of advantages of play-based open-ended learning especially at that age. That's what we've focused on instead of trying to put our kid through a curriculum or stuffing facts in their brain. (That said... he does seem to have the ability to memorize a lot of random dinosaur, insect, and LEGO facts anyway)