Features: brand new and high quality Interesting Scientific Experiment: Package with materials for scientific experiment, follow the instructions to finish the DIY crystal decoration,which encourage and enhance children's senses, exercise and stimulate their basic hand & eyes abilities, familiar the chemical knowledge as well. Funny Science Toy: Each package included 4 dinosaur base to hold your planted crystals,a funny scientific toy which is awesome for teenager science enthusiasts, teaching props, scientific educational purpose, or just for DIY crafts of your own home ornaments. Easy to Operate: Well equipped with experimental detailed instructions, easy to follow it but need to take couple of days(8-10days) growing the crystal, stimulate children's desire to explore, the concept of teaching in fun to evoke kids’ concentration & patience. Educational Training: With good educational training for kids, cultivate their abilities of observation while the crystal growth processing, improve their interesting to chemistry class and further brain development. for Ideal Gift for Kids: A perfect gift which is suitable for kids as birthday gifts, Christmas gifts, and encourage them free to explore their fantastic magic Jurassi-world and create their DIY desktop decoration. Specifications: Packing Dimension: approx. 30.5 x 17 x 8cm/12 x 6.69 x 3.14 inch Material: Plastic Net Weight: approx. 530g/1.16 lbs Package Includes: 1 Set Growing Crystal Toy note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.