CIRCUT BLOX 4CB-0156
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Discover how lights, motors and switches work, all while building 4 fun projects! You can even use other builidng brick sets you own to add on to this and come up with hundreds of different fun things to do with these blocks. Includes 10 pieces, including a project guide. Great for STEM education. For ages 8+. Requires 3 "AA" batteries, not included.