Test Tube Holder

Demonstrates the typical concept behind the architecture of roman arch structures, which are famous for their strength in compressive loading. Comprises a pre assembled 3-part buttress and a set of 23 wooden blocks. Fully assembled arch can easily support the weight of a child.

Black Painted weights have a non-movable hook on the top. Bottoms of the weights are recessed and contain a weight below bar allowing weights to be hung from each other. Weight set includes one each of 10 gm, 50 gm, 100 gm, 500 gm and 1Kg. Two each of 20 gm & 200 gm. In plastic molded box.