How to distract a 15-month old during a 3h flight?

[america]

We are flying for the first time tomorrow and am a bit worried as DS is very active and just discovered the pleasures of running wildly around and climbing on furniture. Any tested good toys or other tricks that could help to keep him calm?

Any toys will do but here's the trick:

Get an exciting looking bag, with lots of zips, pockets and compartments.

Get LOTS of little toys.

Wrap them up like presents. Lots of sellotape. If you have them, different glittery bits on each one.

Allow him to get one out at a time, every 15 minutes or so.

Otherwise, kicking the seat of the person in front works quite well!