Ten out of ten people will picture just that when they hear "pyramid" - familiar shape, multi-coloured rings, cone-shaped top. As many as nine rainbow-coloured rings need to be collected on the rod from larger to smaller.
The top of the pyramid is deeply and firmly put on the base and fixes the toy in the assembled form. Pyramid design allows you to experiment - to collect the rings on the rod in reverse or in any arbitrary order.
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