LOVEVERY Sort & Stack Peg Puzzle + Play Guide The Enthusiast Play Kit Ages 28, 29, 30 Months - Sort & Stack Peg Puzzle - some very minor signs of wear (see pictures) - Play Guide Non-smoking, pet-free home. Sort & Stack Peg Puzzle Learn basic shapes while flipping and fitting them onto pegs Play Guide Months for 28, 29, 30 Ways to play, expert tips, development information, and at-home activity ideas during months 28, 29, and 30.