Tired of buying batteries for your Snap Circuits. With this battery eliminator you won't ever have to buy batteries again. This Snap Circuits adapter works with all versions of Snap Circuits.

Kids can use their imagination to combine SNAP CIRCUITS® with ordinary building bricks and make endless combinations of construction and circuitry. 

Snap Circuits® Student Guide for SC-100/SC-100R. Student Guide has 48 color pages. For an enhanced learning experience because it teaches electronics. Includes quizzes to verify learning.