These Smithsonian Magic Rocks are a fun way to teach principles of science to children. They come with a compact aquarium that you can use to hold goldfish or other small species. This Smithsonian rock kit allows kids to create their very own colourful crystals that grow up to 4 in height.
Product Specifications
- They look attractive, especially when you place the included space background behind them.
- The crystals reach their full height in just two hours for fast results.
- Your kids can keep the aquarium up to enjoy as a decoration.
- Length : 30 cm
- Width : 27 cm
- Height : 7 cm