KUMON PUBLISHING Geometric Cube Building Blocks WK-33 Educational Toy for ages 3 and up

Size: Blocks W2.5×H2.5×D2.5cm, Cardboard case W13.9×H5.4×D13.9cm Set contents: 1 cardboard case, 50 blocks (10 each of red, blue, yellow, green, and orange), 1 instruction manual, 3 pattern problem books (36 example problems) Package weight: 0.7 kg Material: Wood; Paper