About This Product - Basic Architect Architectural Smart Blocks Set Toy One of the most important aspects in the development of the child is having the right type of toy to play with. The basic scores in a toy are: Besides making sure that they are Safe, Durable, the parent must also make sure that they are Educational, Creative, Stimulative & Imaginative. These blocks are made of virgin durable plastic for the child to play for long happy hours. Every child is curious by nature and to stimulate this, blocks have colours intelligently. The basic colours used in this blocks are Red, Yellow, Blue, Green & White. Bright colours attract attention and stimulate the child's mind.