Innovative Stacker Toys: AVDAR rainbow blocks have rich ways to play, which is more helpful to exercise children's developmental thinking. Rainbow stacker can be used with other types of toys, such as dolls, rainbow boards, track blocks, carpet puzzles and so on. Use your imagination to create bridges, houses, tunnels, hills, fences, goals, beds, etc. It can be used as a decoration to embellish the room and add a romantic atmosphere to your home. Unique Styling and Heirloom Qualitys: Made of imported basswood, basswood is born with a soft texture, after hand-polished feel warmer and more comfortable and no burrs. At the same time, linden wood is lighter in weight, children do not get tired of building. The fine craftsmanship preserves the grain and texture of the wood. As an heirloom quality, solid wood specialty item, the set is full of unique, lovely colors tones, and shapes that you just won't find in department store. Strictly Selected Paint Coating: AVDAR uses one of the world's top five imported natural water-based wood wax oils from Germany. This oil preserves the wood's natural texture while increasing surface friction, making toys less likely to slip. Initially, there might be some floating color upon first use; simply wipe it off with a damp towel. Safe and Reliable Materials: Avdar products have got the European Union toys EN71, China toys GB6675 certification, the United States ASTM and CPSIA certification. Formaldehyde, harmful chemicals, heavy metals and other harmful ingredients have not been detected, safer and more assured. Montessori Toys: Montessori toys consist of different colors and sizes . Total size is 13.75 inches x 7.09 inches x 2.56 inches. The toys are fun and can keep your child enthralled for hours! Perfect for all occasions: parties, birthdays, holidays, Christmas, etc. Can be played with more than one child, thus increasing interaction between them. Wooden Rainbow Stacking Toy