IQ Test Cubes (Blue and White) – 9 Kohs Cubes, Practice for Block Design Test, BDT, WPPSI, WAIS and WISC Tests, Montessori Educational Blocks to Improve Concentration, Coordination and Memory

PrfcNL IQ Test Cubes (Blue and White) – 9 Kohs Cubes, Practice for Block Design Test, BDT, WPPSI, WAIS and WISC Tests, Montessori Educational Blocks to Improve Concentration, Coordination and Memory

Think Fun Shape by Shape