Patterns. 

 - USA :  The Learning Journey, 
 -  (40 puzzle pieces) : cardboard, col. ; in box 29 x 21 x 7 cm.  Match it! 
<br/><br/><br/>English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pattern perception<br/>Sequences (Mathematics)<br/>Mathematics<br/>Critical thinking<br/>Puzzles
<br/><br/><label>LC Class. No.: </label>GA 372.7 P27 c?