I have hand stamped the background using markers & the little stamps that come with this set, and aren't the barcodes, nuts & bolts just perfect for little boys!
And another fabulous sketch from Mrs Giron:
Stamps - Lots of Bots, Big Deal Numbers (retired)
Cardstock - Basic gray, bashful blue, real red, whisper white
Ink - Basic gray, real red, and the following markers, real red, pumpkin pie & bashful blue
Tolls & accessories - Real red 5/8" grosgrain ribbon, spellbinders nestabilities (deckled rectangle), dimensionals
All materials Stampin' Up! unless otherwise noted