Learning Resources Number BubbleBrix™Number BubbleBrix is the multisensory fidget tool that helps children build early maths skills through tactile, hands on learning. Press a number brick, feel, and hear it pop, and say the number. Interlock the bricks to create a number sentence. Includes 42 Number BubbleBrix in a storage bucket with convenient carry handle. Features multilingual Activity Guide and packaging. (Ages 3+)