Description Turn your home in a science lab, realistic, and find scientist heartbeat test tube science kit! JUNIOR CHEMICS SAFE TO SEARCH SIMPLE SCIENTIFICATIONS: This tool and journal set. Function Color: Like -Material: Plastic - Size: about 10 00X3 50X3 50cm/3 93X1 38X1 38in. Appliances: Chemistry, Scientific Research Experiments, Scientific and Laboratory Research, etc. Sample leaks for use and flat interior and residual solution The pipe walls are smooth and reduce liquid adhesion residue and test results to ensure effectiveness. The precision of the samples and is very suitable for storing samples. - Extremely used in kitchens and experiments, micro cultivation, diluents, etc. Color: Like - Size: 10X3 5cm Package includes 50 x centrifugal tubes