56 Pieces Magnetic Blocks set includes 56 pieces with 7 bright colors. Each block is 1.22 inch large size, easy to catch and compatible with other building block sets. Stem Sensory Toys feature bright colors and 3D shapes for visual appeal. Children can build simple numbers and letters or complex animal and robot shapes for creative play and Stem learning. These blocks promote intellectual development, hand-eye coordination, visual perception, cognitive abilities and logical thinking. Montessori Toys allow children to see magnetic forces at work. With 6 different colors, children ages 3-4 can create various imaginative masterpieces and enjoy number learning and color matching games. Safe and Strong Magnetic Toys made of food-grade Abs plastic and super strong magnets, odorless and lightweight. Sealed by ultrasonic welding, drop-resistant, waterproof and non-fading. Rounded edges and smooth surface protect little hands. Ideal Toys Gifts for birthdays, Christmas or special occasions as Stem toys, Sensory toys or Montessori toys for 3-8 year old children. weight: 1.54 pounds.