Top image, left side. 6 blue and orange pieces: the blue pieces are identical and three of the orange pieces are identical. Right side: the four green (teal?) pieces are identical.
Bottom image: puzzles “solved.” The green, speckled solid is a
[regular] tetrahedron. (The four faces are equilateral triangles.) The orange & blue? Not a clue what it’s called! My nomination would be a type of “spike-ball”…
Retired economics professor (“dismal scientist”). Married 40+ years to the love of my life; we have two grown daughters, both married, two granddaughters and a...
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