LEADER 00000nam  2200000 a 4500 
245  0 Tangrams :ba puzzle challenge produced by Studio 20 South 
260    West Hartford, CT :|bStudio 20 South,|c2022 
300    10 pages :|bcolor illustrations ;|c22 x 14 cm 
337    unmediated|bn|2rdamedia 
338    volume|bnc|2rdacarrier 
500    Subtitle from cover. 
504    Includes bibliographic resources. 
505    The rules -- Challenges 1-4 -- Solutions 1-4 -- About 
       tangrams. 
650  0 Tangrams. 
650  0 Spatial ability|xStudy and teaching (Elementary) 
650  0 Mathematics|xStudy and teaching (Elementary) 
650  7 Tangrams.|2fast|0(OCoLC)fst01142653 
710 2  Studio 20 South.