Citiblocs cities are going green with colorful trees for landscaping! Wooden trees in bright colors and whimsical shapes to accent your Citiblocs creations. 10 Assorted Colorful Trees to decorate Citiblocs creations. Removable bases and "trunks" for added building options Winners of over 30 prestigious toy industry awards Precision cut from tea wood and tinted only with water-based, eco-friendly, non-toxic paints, Citiblocs are safe and environmentally responsible. Citiblocs are educational, addictive and just plain building fun!