$25 to $50

Head into the lab for an in-depth investigation of genetics, the branch of biology focused on heredity and variation in organisms, and DNA, the aci...

Think of this as an analogue robot. Wood and string combine to make a precision grabbing device. The builder controls the bot with levers and str...

Explore the science of electricity in a fun, hands-on way by building 20 electric circuits and motorized devices. Conduct experiments to learn abou...

Intro to Engineering welcomes young children to the field of engineering with 25 experiments and building projects in five sections. By engaging in...

Features realistic illustrations to model up to 6 stages in the life cycles of a bean and apple. Two life cycles in one!Label-free for versatility ...

An apple that defies gravity and walks a tightrope — what would Isaac Newton have thought? Build a cute apple robot that walks along a tightrope. H...

SpyX DIY Kit - Make Your Own Spy Device!  A cool scientific toy that you can build your own spy listening device. You will be surprised that how cl...

SpyX DIY Kit - Make Your Own Spy Device!  A cool scientific toy that guides you to build your own spy motion detector device that really works! Con...

SpyX DIY Kit - Make Your Own Spy Device! Connect the circuits and build your own real working spy gadget.  Learn the science behind SpyX Surveillan...