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Experiment with acids and bases using indicators (pH strips and cabbage juice) to identify them
20 colorful bolts
This 124-piece set is made up of hollow stacking cubes and a variety of perfectly flat tracks
it's time for free play maze making
Squishables are a perennial favorite for kids and adults alike
Gecko Run Starter Set Feeding Experiment with acids and basesTraditional marble runs require lots of pieces to create vertical height, but with Gecko Run, your doors, windows, cupboards, bookcases virtually any smooth surface become part of your track, allowing you to build higher with fewer pieces. Attach the tracks to surfaces with the help of clever nano pads, which work like nanoscopic suction cups, to create a strong, but temporary bond. Because the pads are not glue based, they can be quickly and easily
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