Learning Puzzles ClassifyingAge: 3 4 English Puzzle 28 x 21. 5 cm Teacher Resources Here"s a fun way to build vocabulary and classification skills! The 20 self checking, 5 piece puzzles in the set are designed to help children develop vocabulary and to gain a better understanding of how objects or animals are classified. Each puzzle is unique great for self checking and features a category at the center and four matching picture word puzzle pieces! Start building a foundation