Thumb Score: +7 Walmart has many boys pajama sets on clearance, including many LEGO branded pajamas. Shipping is free w/ Walmart+ (90 day free trial here [walmart.com]) or free on $35+ orders. In no particular order: Social Edition Boys 2 Piece Long Sleeve Top and Long Pants Pajama Sleep Set with Matching Eye Mask, Sizes 4-16 [walmart.com] $4.58 (a few options)