


SmartMax Start 23 Piece Magnetic STEM Discovery Set
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
SmartMax Start 23 Piece Magnetic STEM Discovery SetHave fun building incredible structures with SmartMax! The new Start Plus set includes 23 pieces and a guide to build models. Extension sets are available separately. SmartMax enables young children to explore magnetism safely, with strong, oversized pieces that are specifically designed for handling by young kids. SmartMax products are safe and durable, made from the highest quality materials. Our magnets are incredibly strong, able to carry up to 60
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Your SmartMax Start 23 Piece Magnetic STEM Discovery Set orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
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Color: Medium size (5.9")
So far my dog hasn’t destroyed it! And it’s been a month. So I call that a win. Plus he loves it.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Made extremely well!
Great. My aggressive chewer hasn’t managed to wreck it!
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Reviewed in the United States on June 14, 2025
★★★★★ 4
Not for heavy chewers
Color: Red + Yellow
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Reviewed in the United States on February 1, 2026
★★★★★ 5
Great fun
Color: Red + Yellow
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Reviewed in the United States on March 8, 2025
★★★★★ 3
Bigger than expected.
Color: Red + Yellow
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Reviewed in the United States on February 2, 2025