Base plate technology: fine carving no burrs smooth edges and high degree of coordination with building blocks. Surface: environmentally friendly water-based paint bright color will not endanger children's health can not bite if the paint does not fall off. Manufacturered by Anyren. Colorful wooden blocks makes it more attractive perfect to help kids improve color/shape recognition abilities and brain development A really good education toy gift for your kids fit for 3-6 years baby.Play with your kids to promote parent-children interaction. Material: High-quality wooden board with clear texture and no odor.