"gel box"

A convenient breadboard for prototyping with no soldering required.

Wiggle-Bots are motorized contraptions that are designed and built by kids.

Get ready to R-R-RUMBLE!!

Wooden Geometric Shapes - 16 Various pieces, in wooded box.

Density Cubes, Set of 4 Metals with Hooks, 1.26" (32 mm) sides, lead free.

Iron bob with hook for pendulum attachment.

Acrylic bar for optics experiments.

This ray box is ideal for optical demonstrations in the classroom.

This ray box is ideal for optical demonstrations in the classroom.

Economical kit for ray optics experiments and demonstrations.

Spare color filter set to be used with Light Box and Optical Set.

Steel tuning forks for physics experiments.

Magnetizing box for recharging magnets.

Ideal for simulating various electrical values.

Ideal for general purpose electronic work.

The programmable robotic vehicle that drives conceptual curiosity in math, science and coding.