Built into each side of this sturdy, rounded cube is a soft silicone bubble with a tab to grab and pull. Fingers can't help but push them, pull them, and pop them again and again. For kids, fine motor skills grow as they explore cause-and-effect. For teens and adults, the hands are captivated and the mind is at ease. Inspire fascination, discovery, and tranquility with the Tugl Cube. Tugl Cube Rounded cube with silicone bubble built into each side Encourages fine motor skills, tactile learning, calmness Bubbles feature pull tabs - Push them in, pull them out Includes one Tugl Cube Measures 5.5 x 5.5 x 5.5 inches High-quality materials and construction - Fully safety tested Ages 2+ PATENT PENDING