Our stink lab offers you 5 different scientific experiments relating to foul scents. Includes stink liquid and other ingredients to create extreme stench. Explore the smelly side of life! Create rotten eggs, smelly sprays, and other nasty concoctions. It’s stinky fun for the sake of science! Study the not-so-sweet smell of sulfur and other foul odors with our stink lab! Create stinky bombs, bags, even sprays! 5 fun experiments in all. THE SCIENCE BEHIND THE STINK! KIT CONTAINS: • 2 BAGS OF BAKING SODA 25g/0.88oz (PER BAG) • 1 CONTAINER WITH LID • 1 SPRAY BOTTLE • 3 STINK LIQUID BOTTLES 4g/0.14oz (PER BOTTLE) • 3 ZIP CLOSURE BAGS • 2 STINK BAGS 5.1g/0.18oz (PER BAG) • 6 CAPSULES • 1 PAIR PLASTIC GLOVES GET YOUR STINK ON!

Experience an incredible display of interactive light that you control! Simply place your fingertip against the glass sphere and watch as the lighting-like plasma beams follow your every move. With its built-in sound sensor, the plasma will also respond to your voice or music, creating an amazing 360? light show like no other! Powered via 12V adapter (included).

Features:

• Both educational and decorative, the 2-in-1 globe light functions as a night light! 
• Perfect for teaching children about natural and political geography
• Globe rotates smoothly along its axis to provide 360-degree views of your world. 

The Building Expansion offers over 25 additional elements to expand your track vertically. You’ll increase the action when increasing the height of your run. Experiment with the combination of height tiles, base plates, freefalls, switches and even another level. See how high you can build your track before getting the marbles to the finish. GraviTrax Starter-Set required0