1 x Buoyancy measuring device 1 x Iron hook 1 x Bucket 1 x Cup 3 x Nuts 1 x Chinese manual
Steps: 1. Iron hook across the small hole of the bucket and twist tight; 2. Put two nuts (or other heavy objects) into it and measure the gravity of the bucket by using the measuring device， and then record the results; 3. Pour more than half a cup of water to the cup， move the measuring device with heavy objects to the cup， and dig the objects to the water gradually， and then watch carefully what will change to the point of the measuring device. Pay attention: the measuring device can only bear max. 50g objects.
Dimensions: 5.59 in x 0.98 in x 0.24 in (14.2 cm x 2.5 cm x 0.6 cm) Weight: 0.81 oz (23 g)