DIY Science Projects
Hands-on learning is our favorite kind of learning. That's what makes these gifts so great; kids learn about science and engineering through hands-on play! Get your kids interested in building creatively with Plus-Plus. Middle and high school kids will enjoy the challenge of building a Hydraulic Arm. Or let them try the Level 5 Star Coaster for the ultimate challenge!
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Stirling Engine with Alcohol Burner
A closed-cycle system in which air is compressed and expanded to create energy.$109.95 -
$39.95–$69.95