12-13 years

Geometry? No problem!  This Big Fat Notebook covers everything you need to know during a year of high school geometry class, breaking down one big ...

The 500 Doggone Days 500 Piece Family Puzzle by Mudpuppy features a busy dog park scene with canines of all kinds! In every inch of this puzzle, th...

This interactive track system harnesses the power of gravity, using over 100 components. What path will your marble take, as you design different h...

See them erupt with excitement building a realistic volcano scene. This giant cardboard and plaster model is classic earth science learning at its ...

Transform rough rocks into gorgeous polished gems! A great STEM gift for future geologists and earth scientists, this kit has everything kids need ...

Google "orrery" because you'll be building one, winding it up, then watching planets orbit the sun at their own speed! Explore gear mechanics as yo...

Curious kids experiment with strength and stability, building 20 models that demonstrate mechanical physics or structural engineering principles. T...