Suitable for children aged 8 and up Detective Experiment Kit A kit for experimenting with the best special agent techniques: phantom images of wanted persons, hunting for the most unlikely clues, fingerprint evidence, using secret codes Experiment Kit Crystal breeding Compact experiment kit for making enchanting crystals Experiment Kit Rocks and Minerals With this experimental set you can take a fascinating journey into the world of geology and science about the structure, origin and development of the Earth With the included tools, you can carry out excavations and find interesting stones and minerals Experimental set T-Rex Fascinating skeleton of the most feared predatory dinosaur of prehistoric times Dig up and uncover the fossil of this dinosaur Dimensions approx. 15 x 21 x 5.5 cm Weight Detective: approx. 176 g Crystal Refinement: approx. 175 g Stones and minerals: approx. 600 g R-Rex: approx. 760 g. Suitable for children from 8 years old.