The play possibilities are endless with this versatile and sturdy rainbow stacking game. With no guidelines or rules, it's a brilliant Montessori toy. These stackable toy arches let little hands piece together shapes and objects while learning about different sizes and colors. Made of solid wood and stained with non-toxic paint. Once playtime is over, this Rainbow Stacker will make a fun decoration for your little one's bedroom or nursery. Develops creativity and dexterity. Suitable for children from 3 years.