【Safe & Strong Magnetic Toys】This Montessori magnetic puzzle is made of natural wood and non-toxic water-based paint, with smooth edges and no burrs to protect your child's hands; the edges are secured with 9 nails to ensure that the magnetic beads inside won't fall off and cause harm to your child; high quality, transparent acrylic makes the maze clearer and more durable; the included magnetic rods are secured to the wooden board for easy storage.
eBay