This Wooden Rainbow Stacker is made from high-quality bass wood and finished with natural oil for a smooth, pleasant feel. It features non-toxic, water-based colors, making it a safe and fun toy for children aged 1 to 5. Its size is 9.5 cm high, 19 cm wide, and 3 cm deep, making it easy to store and play with. With this Wooden Rainbow Stacker, your child can have hours of fun stacking and building, while developing their fine motor skills and color recognition.