Volcano Eruption Liquid Hourglass Timer Accessory 30ml Feature: This is a sensory toy that combines love and hard work. All children will have a pleasant experience. And this is a real environmentally friendly liquid toy, which can start the game without a power source, which continues to bring . The scene where the liquid forms a volcanic eruption is amazing.The sensory toy: learn to play. These interesting liquid moving will become an excellent sensory toy for children or adults. When you feel nervous, they will help you calm down and your mind. It is also a good educational toy that can help young children form a good habitat and better learn the composition of colors. Wide range of uses, great gifts: this liquid hourglass is suitable for , bedrooms, offices, shops, restaurants, schools and other occasions. With excellent craftsmanship and exquisite color packaging boxes, you can give them as exquisite gifts to your children, or family members on their birthdays or holidays. materials and ergonomic design-made of materials and ergonomically detailed design. The colorful appearance will immediately attract people's attention, and the ergonomic design makes it easy to grasp and play. This liquid timer is, sturdy, and leak-proof, suitable for children and adults. Just the with your family. The size is 6x8.5CM. Package Content: 1X Acrylic liquid hourglass feature timer