1.) Select more pledges:
you can select any pledge and then click "manage your pledge" button and modify the total amount of pledge by adding the cost of other pledges
please message me if you're not sure about the amount.
2.) Looking for your own mix and match pledges
if you are looking for other combination of the pledges, please message me for price quotation. then, select any pledge and then click "manage your pledge" button and modify the total amount of your own pledge.
at the end of campaign, i will send a survey to all backers to choose the light bulb and the set options. don't need to worry about receiving the wrong order.
for more details of upgrade your pledge, please see "Managing your pledge" here: https://www.kickstarter.com/help/faq/backer+questions?ref=faq_nav#ManaYourPled
please leave us a msg if you have problem on the pledges.