Description： 100% Brand new. GROW RED, GREEN, BLUE AND ORANGE HEDGEHOGS CRYSTALS: Create beautiful crystals spines and bring them into life! Let your child feel like a real chemist watching the crystal grow in 72h. Chemistry has never been so fun and colorful! GROWING IN EASY: This kit has been designed from the ground up to ensure you grow beautiful crystals every times. Follow along with the beautiful instruction sheet easy to make growing and saving your crystals easy. KIT INCLUDES: 1 cute Hedgehog Models, 2 colorful crystal powder,1 plastic container,1 stirring sticks. Includes instruction sheet give the young chemist to gain a deeper understanding of hedgehogs and crystal growing. AN EDUCATIONAL GIFT FOR ALL AGES: It's not often that a science project can be fun and engaging, but this kit achieves both! Great set for individual play or as a group activity. It will fascinate children and it is a perfect project for the kids age over 8! Instructions for Use: Pour two peritectic powder into the container Put the color box next to the container, pour boiling water into the container, and boil the water to the height of the "water level" indicated by the box. Stir with a stirring rod until the crystal powder is completely melted. The faster the stirring, the better. Put the lid on, in order to facilitate opening, do not need to close the lid tightly, wait until the solution temperature drops to room temperature Snap the animal model and the plaster base together. Open the lid and gently put the base model into the center of the container with a stirring rod. Re-cover the lid to facilitate the removal of the lid, no need to close tightly, and it is forbidden to move or stir the container. After 24 hours, the lid was opened and the solution was exposed to the air, and the growth of the hedgehog was observed with a flashlight. After the magic hedgehog grows up, pour out the solution, wipe it clean with a paper towel or towel, and put it in a clean container. Close the lid tightly and store it permanently. Contain： a set of Crystal Hedgehog