This human kidney model is dissectable (2 pieces). It comes with a detailed key card outlining the following parts which are visible on the model:
Sturdy metal stand is included.
Build a model green house and 9 other green energy-related devices with this great kit!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Learn about hydrogen fuel cells with this incredible kit!
Defy gravity with this cool balancing eagle!
Every kid needs one of these spheres!
Build your own 10 inch kaleidoscope with this great kit!