Characteristics: - The containers are ideal for storing various pegs, crystals, used when playing with the STEM board - the containers can be mounted anywhere on the STEM board - The boards encourage children to play creatively, think logically, develop fine motor skills, gross motor skills, share toys with each other and interact. - containers are made of materials resistant to water and sun, such as discoloration or cracks. Ideal for indoor and outdoor use. - two containers included - each container is equipped with two drainage holes