Large particle block assembly floor $ 7.30 Material: plastic/plastic Article No. : 905 906 907 Specification: 19.1 x 19.1 cm Whether it is electric: No Whether multi-function "No" Can you do it yourself? "yes Plastic material classification "ABS. Plastic building block type "large particles. Color :905 straight bottom plate,907 big bend bottom plate,906 small bend bottom plate,19.119.1cm dark gray