Soft rounded edges for safe play. Colorful interlocking blocks. Helps children to develop eye to hand co-ordination and enhance motor skills. Made from durable polypropylene. Multicolor. 8 in. L x 4 in. W x 4 in. H (9 lbs.). Beginner set makes tons of shapes like like vehicles robots animals air planes and more. It is great for little hands to hold.