Magnetic Tiles Building Blocks 102pcs Advanced Set STEM Toys for 3+ Year Old Boys and Girls Learning by Playing Montessori Toys Toddler Kids Activities Games Christmas New Year GiftsADVANCED SET OF 102PCS TOTAL Package includes 102 magnetic blocks, an idea booklet and a storage bag, no pure plastic piece. Refill your existing magnetic blocks or even building blocks of other brand to expand model opinions. More pieces, more possibilities SAFE PLAY STEM TOYS Well made with toxin free materials and have a rounded edge design. So theyre very safe for kids to play with and suitable for multiple age groups of different learning needs.