Innovative Glow in the Dark Blocks. Play under normal light to see one pattern and another view in the dark. This set includes 19 blocks that resemble the nighttime view of a city skyline. They also promote hand-eye coordination, concentration and logical thinking.
Eco-Friendly: Made in Thailand from environmentally friendly rubberwood and strictly using Non-Toxic Paints, Dyes and Lacquers and Formaldehyde Free Glue. Packaging is made from at least 70% recycled paper.