COMPLETE Lakeshore Learning Addition Fluency Puzzles - Decomposing Numbers. For First and Second Graders. 17 puzzles. Good, pre-owned condition. My son and I just put all the puzzles together to ensure all the pieces are there. Ready for its next little learner! As with any Lakeshore product you can rely on it being good quality. New was either $20 or $30. #math #puzzle #lakeshorelearning #lakeshore #addition