Small World Toys IQ Baby - Knock-Knock Blocks Babies love stacking up and knocking down the soft-stuffed Knock-Knock Blocks from the Small World Toys IQ Baby collection The 16-block set features 8 colored blocks and 8 black and white blocks, all designed to hold your baby's interest For extra fun, some of the surface-washable fabric blocks make crinkle noises and other blocks rattle Each block is 3'' square and the vinyl storage bag measures 13''W x 3.5''D x 11''H; designed for children 0 - 36 months For 50 years, Small World Toys has delivered fun, safe, innovative and endearing products for children of all ages