STEM board accessories - 256 pieces. Multi-colored, plastic pegs in the shape of geometric figures for creating fantastic, fairy-tale patterns. They are one of the most popular complementary elements to Masterkidz's creative boards. STEM Whiteboard Accessory Set - Includes 256 pieces in 4 shapes and 8 colors that can create an unlimited number of creative images. A beautiful, creative form of play that brings many educational values such as learning: shapes, colors and patterns. By building new images, the child exercises fine motor skills and, above all, shapes his imagination while expressing himself.