Mideer Dino Water Based Chalk comes in a set of 12 pieces. The chalks are water-based, which makes them easy to wash off surfaces and hands. These chalks can be used to create wonderful patterns and designs without leaving any residue dust. Features Guaranteed fun item Made of high quality materials Helps strengthen early developments Makes a great gift Package Dimensions: 2.2 x 6.3 x 8.3 cm Weight: 0.11KG Recommended Age: Suitable for 3 years & above Cautions: Not suitable for children under 3 months due to small parts. Choking hazard.