Wooden Toys The surprise and discovery of these building blocks, with their beautiful colors and diverse combinations, fitting perfectly into a 10cm cube. You need to have a good sense of balance to stack the four different sized parts. A nesting building block set with a 10cm cube disassembled into 9 pieces. Color: Red 10 x 10 x 10 cm The Neaf "Cella" is expensive at a retail price of 28,600 yen, but you can enjoy this compatible product at a great value.