Safe Material: Hourglasses with suction cups are made of durable PVC, high borosilicate glass, and sea heart sand, with clean workmanship and quality assurance. Safe and environmentally friendly, non-toxic and tasteless, not easy to fade, strong adsorption, not easy to fall off, durable.

Suction Cup Design: No tools are required to use our toothbrushing timer. Built-in powerful suction cups that adhere to smooth surfaces and leave no residue when removed; can be rotated for use. Simple and very easy to install. The transparent design is easy to check and visually remind.

Time Management Tool: The toothbrush clock is a very effective visual reminder to help children do things more efficiently, develop a strong sense of time and concentration, and is an excellent and practical time management tool to improve work efficiency. (Note: this hourglass does not measure exact time and is only intended for children to play with)

Package Contents: You will receive 3 x 3-minute hourglasses. The colors are blue, green, and yellow. The size is a uniform 3 x 6 cm; the 3-minute timer ensures that children brush their teeth long enough to clean them properly; enough for your daily needs.

Wide Range of Uses: This hourglass is perfect for managing children's time when playing, brushing teeth, teaching, cooking, exercising, cleaning, and learning. It helps children do things more efficiently and promotes time awareness. Can also be used as a decorative and time-measuring tool for your home or office.