We're gearing up for that transition from crib to 'big boy bed' (how time flies!), and after months of debating our options, we decided that in order to get what we wanted and come in on budget, we would need to DIY a bed frame. I had a substantial list of requirements for this bed; twin size, low but not too low, simple and clean, a bit of space for storage beneath, affordable, and no composite or particle boards. We also wanted something that would appeal to our car and wheel obsessed…