Om Books International My First Steam Library of Science, Technology, Engineering, Art and Maths Level-1A treasure trove of knowledge, each of The ten expertly written, creatively designed, steam based book in this box ensures a creative stimulation of the brain and enhanced childs mental development to strengthening academic foundation. Dimensions(cm): 20 x 5 x 25 cm Recommended Age: 4 6 years Weight(Kg): 1 kg No. of Pages: 320 Disclaimer: The product is non returnable exchangeable. E mail us on contact@themomstore. in in case of Damages Defects