First one is a One Touch Platinum frame. 26", Structo, Brownie, and a Spring Green are considered in that order. Whichever works the best in that frame. Second one is a Performer frame with a small metal folding table. Structo and Slate are considered.
Working on the OTP project today and suspect some fitment and clearance issues on using 26" or Structo. But I will test fit them and see how it goes.