Maybe make some for the kids(cousins) this year. dino kit, horse on a stick, fort in a bag, super hero cape and mask with cuffs. TOP 10 DIY homemade gifts for the boys on your list! Links to tutorials and other inspiration!
Swing set with arbor-like elements. The landscaping around the family homestead on which this swing set is built is an amazing example of DIY ingenuity in conjunction with help from a landscape designer to formulate the overarching plan.