My kid loves Team Umizoomi. I have previously made him a Bot backpack.http://www.craftster.org/forum/index.php?topic=439734.0
He does not get halloween. He wouldn't be able to come up with a costume idea. So I asked him if he wanted to be Geo.
I got a basic hoodie pattern and added the Geo style. The pants are just traced from existing pants. The shapebelt is cut from foam, then Duck tape was used for the orange. I wanted bigger 3D shapes on the belt but never came up with the right idea. So its just felt backed with duct tape and taped on.
The shapesplitter is just flower arrangement foam cut out and put on a skewer. Coloured with clear glitter glue to give it a luminant effect as the original lights up.
Learned a few thing sewing elastic fabric (its jersey). Overall, quite happy it got done! And Geo looks pretty happy too.