I build model boats and wanted these weights get the correct amount of ballasting required to get the model to sit correctly in the water. One the correct ballasting has been established the weights will be removed and replace with lead sheet. Although only designed as an educational aid, the weights are surprisingly accurate.
Verified purchase: Yes | Condition: Pre-owned
I don't know why, but I had expected them to be heavier! Think they're probably right as they are though! Good little resource to give kids a kinaesthetic idea about different weights :)
Verified purchase: Yes | Condition: New
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