BS have to form a chain by linking the paperclips together.
Blindfolds or use neckers, tub of paperclips
Blindfold Beaver Scouts and place a good handful of paperclips on the table in front of each child. The BS have to form a chain of paperclips by linking the paperclips together. Continue until the children have had enough and then compare lengths of chains made. Variation: work in pairs to form the chain.
An alternative could be not to blindfold but to give each scout a pair of gloves- gardening gloves or similar, so see how impaired motor skills can also affect ability