The Cannonball Pyramid puzzle consists of seven pieces, each different, which you must try and form a 5x5x5 pyramid with.
A tricky puzzle that you may find yourself getting frustrated with. Each piece is doweled into a permanent position so the shapes cannot twist into different shapes. The puzzle comes with a base which the pieces sit nicely in.
The design comes form Mike Reilly of the US.
Solution is provided.
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