2 years and up. Put nature in children's hands with the Moth Specimen Life Cycle Puzzle. Each acrylic piece in this puzzle displays a different stage of the moth's life cycle. Children must correctly connect the pieces together to see the whole life cycle. As they investigate how a moth becomes a moth, children will engage in early scientific exploration that can help create a lifelong love of nature. Largest piece measures 2.1"W x 1"H x 2.4"D; smallest piece measures 1.25"W x .6"H x 1.4"D.