100% Brand new and high quality Name: Flashing Water-drop Crystal Building Block 3D flashing design， amazing intelligent building blocks Also a nice decoration for home and bedroom Increase fun and happiness in your lifeWonderful gift and toy for you and your family/friendsAttached with batteries Due to blocks are disassembled， there may be burr at the edge of the parts， you can trim it with art knife before assembling. Size: 14*10.5cm (L*W， each group)Base Diameter: 7cmMaterial: PS(Poly Styrene)Color: Transparent