A new outer ring if the ball needed to be opened, You need 6 Screws M3x6, The holes for M3 are 2,7mm, are so the thread cuts itself., In the places
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70 CHALLENGING OBSTACLES: Can you make it through Perplexus Rebel's 70 obstacles? Move the ball along the numbered track through tricky hurdles like
Perplexus Rebel 3D Maze Game Brain Teaser Gravity Puzzle Ball | Cool Stuff Adult Toy | Anxiety Relief Items | Sensory Toys for Adults & Kids Ages 8+
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Action Toys and Games Archives - Uttam Toys
Extremely Puzzling - Goetz Schwandtner's Puzzles - History
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Perplexus Epic outer ring system by Bawb
Perplexus Epic from Spin Master
Jeu extérieur lancer anneaux Cmp