Construction toys; Educational toys for teaching math principles to children, namely, manipulative blocks for displaying patterns and groupings; Toy building structures; Toy buildings and accessories therefor; Toy construction blocks; Toy construction sets; Children's educational games for developing science, technology, engineering, the arts, mathematics, spatial, and fine motor knowledge and skills; Children's educational toys for developing spacial, cognitive, and fine motor skills in the nature of building block toys and building games; Children's educational toys for developing science, technology, engineering, the arts, and mathematics knowledge and skills; Children's educational toys for developing mathematical, computational thinking, computer programming, spacial, and motor skills; Electronic educational game machines for children; Interlocking construction toys; Toy building blocks; Toy building blocks capable of interconnection