Large and safe size blocks for toddlers, each block measures 1.65 inches. Bright rainbow colors with 6 different colors per set. Safe magnetic design with magnets sealed inside. Round smooth corners for better grip and safer play. Endless creativity with booklet for building animals, vehicles and buildings. Waterproof and durable, suitable for bath time play. Fun for family interaction. Sensory and Montessori toys for ages 1-3, Stem learning for ages 3-5. Ideal educational gift for birthdays and holidays. Suitable for boys and girls aged 12+ months to 5+ years. Weight: 0.75 pounds.