Crystal Bouncing Mud DIY Bouncing Mud Can Stretch Children And Adults Features: The crystal bouncing mud has moderate softness and hardness, neither too hard nor too soft, and will never dry out. It can pass tests, heat adaptation tests, etc., and can be used with confidence by children. Stretch, fold, move your hands while increasing concentration. The soft crystal mud is suitable for adults and children. When playing with mud, kneading can relieve stress and anxiety. The toy is suitable for home, office and party use. This is a meaningful gift. Crystal bouncing mud helps to and fine motor skills, including eye-hand coordination, enhance strength and improve the of hands and. Playing it can promote calmness, stimulate attention and reduce stress, worries and tension. Crystal bouncing mud is suitable for children, easy to carry when traveling, very suitable for birthday gifts, children's day gifts, Christmas souvenirs or rewards. Specification: Material: Plastic Color: Red,Yellow,Blue,Green,Clear Dimensions: 8x2.5cm Package Contents: 1xGlass mud