This environmentally-friendly wooden construction set is made of wood from FSC-monitored source, painted with water-based paints, packaged in a box made of recycled materials, packaged in a sturdy tub and printed with soy-bean ink. This colorful and high-quality building plank set will attract kids to them like honey to bears! Great value for 100 piece set! Use your imagination; the sky is the limit! Build anything you like! Comes in a sturdy reusable tub for easy storage.