working on a project

around here we really like to go off all by ourselves and "work on a project"

this takes a lot of effort and focus...so much that when I walk up and ask the boys what they are doing they get started and embarrassed...I love it!
It also happens around "30-o'clock"...Jake's favorite time phrase of the moment.

However...when asked to clean their "project" up...I do not dig this cleanup technique: