BubbleBrix are popping with fidgety, snappy, learning play! Press a letter bubble, feel it pop, learn its name and sound, and connect it to another letter block to build simple words, practice spelling, and early literacy - or create your own buildable masterpiece! Includes 42 ...BubbleBrix are popping with fidgety, snappy, learning play! Press a letter bubble, feel it pop, learn its name and sound, and connect it to another letter block to build simple words, practice spelling, and early literacy - or create your own buildable masterpiece! Includes 42 BubbleBrix, handled storage bucket, and activity guide packed with early literacy activities. Fidget fun meets early literacy! Press a letter block, feel it pop, practice its name and the sound it makes, then connect it to another letter block to build simple words and practice reading and spelling. For ages 3 years and up.