Radhey Preet 3110, 23 in 1 Super Speedster Architect Block Game, Can Make 23 Different Model from Single Block Set, 278+ Pieces, Available in Multi-Color, for 6+ Years of Children Attractive Color of blocks, and good material of plastic. Stickers are inside the box for applying after the completion of construction. It will increase your Child's eye and hand coordination, imagination and thought process, time management, and imagination. 100% non-toxic plastic. Not for below 6 years of children due to small parts.