turn and flip it over and again press the bubbles, these will make the slight popping sound. the best toy for kids to improve their calculation and planning skills. nontoxic, high-quality silicon. press it, pop it 

• Non-toxic Pop it fidget the best toy to relieve stress and anxiety. simply press the bubbles. just press the colorful bubbles dow
• High-quality material 
• Press it, pop it 
• Washable
• Squeez it 
• Fold it 
• Tighten it 
• Sizes 
• Circle shape: 8 Inches length
• Total pop it: 70
• You will get 1 pcs at this price