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- USA
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Sink or Float? STEM Activity SetYoung learners can dive into early physics in a fun, colorful way with this two piece submarine and floating raft along with weights, balls, and stars. Ten detailed Activity Cards include over 20 engaging, high impact activities that cover all aspects of STEM, plus key science concepts of buoyancy, density, and more! Comprehensive Activity Guide with reproducible materials is also included. Submarine measures 6"L x 3"H. Grades K and up. SMALL PARTS.
- Young learners can dive into early physics in a fun, colorful way with this two-piece submarine and floating raft along with weights, balls, and stars.
- Ten detailed Activity Cards include over 20 engaging, high-impact activities that cover all aspects of STEM, plus key science concepts of buoyancy, density, and more!
- Comprehensive Activity Guide with reproducible materials is also included.
- Submarine measures 6"L x 3½"H.
- Grades K and up.
- ⚠SMALL PARTS. Not for Children under 3 years.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 1738 reviews
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Product Reviews
★★★★★ 5
Good calcium and magnesium together
Size: 180 Count (Pack of 1)
Size is easy to take
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Works great
Size: 180 Count (Pack of 1)
Excellent
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Truly Pure
Size: 180 Count (Pack of 1)
It’s often difficult to find a supplement that only contains the supplement of interest. So many supplements on the market have other additives. I appreciate that this supplement only has what I’m looking for.
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Reviewed in the United States on January 7, 2026
★★★★★ 4
Better for Your Body's Health
Size: 180 Count (Pack of 1)
I liked this version because it's natural without a bunch of unnecessary fillers, preservatives, flavorings, colorings, of other additives. Why can't all manufacturers follow the same example as Pure Encapsulations? Putting the customer health first!
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Reviewed in the United States on October 7, 2016
★★★★★ 5
good
Size: 180 Count (Pack of 1)
Great prokduct.
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Reviewed in the United States on February 6, 2026