The Fat Brain Toys Simpl Dimpl Glow-in-the-Dark is a sensory fidget toy designed for children aged 3 to 12. It features soft, pushable silicone bubbles that produce a satisfying popping sound and glow in low-light conditions. The compact, lightweight design makes it easy to carry and use anywhere. The toy helps develop fine motor skills and provides tactile stimulation. The glow-in-the-dark effect adds an engaging visual element for nighttime play.