COSMOTOP SPIN Silkpainting Brush, Synthetic, Watercolor, Round, Size 16 Made of FSC certified wood. Contains 108 parts including 24 RO9255 18989 Contains 108 parts including 24 unique patented parts including three 2 way LEDs you won't find in any other toy brick setBuild 8 different characters or objects that all light up in this leading edge STREAM productDirectly compatible with other brick building construction setsRequires one 9V batteryAges 8 and upLearn about series and parallel circuits This opaque plastic ruler is printed on two sides and laminated for long lasting durability vi : Certified green manufacturing with sustainable wood handles handmade in Germany at our family owned factory since 1890 MPN: 006640