Hi, I wish the forum was still more active too. I'm starting my first year coaching 3/4 graders and was going to start posting to try to reactivate the page. As for your question, I haven't coached those ages but my son played in the 6 year old division recently. From what I saw they kept things simple.
Running was definitely what the offense were built around. Dives, fake dive with an end around, end around with a reverse. You can probably do some center drags from Oranges playbook as it's not a far throw. Then run a center drag with a delayed handoff to a end around.
On defense, kids had to be able to pull flags. Most scores are from big plays. So I would run a zone, focusing on the kids staying in their area until the ball crosses the line then everyone swarm to the ball. I'd start 4 kids 4-5 yards off the line of scrimmage 5 yards apart, so they can see the play. Then a safety a couple yards behind them as a safety valve. Then practice staying home as you show them reverses and sweeps, then swarm to the ball. Hope that helps.
