Pay in 4 interest-free payments of $4.00 Learn more
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
without rollerbrake
Duration: 15 hours
Great Light: 1150 Lm
Made from safe to use silicone
Johntoy science explorer maak je eigen kristal o 195 x 65 x 5 cm without rollerbrakeMaking Science Explorer Kristal is a great physical experiment for curious children from 10 years old. With this experiment they can make and admire their own crystal. Add warm water to the cup and stir in the Crystal powder. Let the mixture rest and then place the base stone in it. After a day you will be amazed by how you grow crystal and grow. After 7 days your crystal has grown completely and you have a beautiful specimen. Discover the fascinating
