When kids click together these chunky pieces and then flip the switch, they'll get an exciting result: either a spinning fan, a glowing light or a whistling siren! All switch blocks and action tops are interchangeable for mixing, matching and experimenting with actual working circuits in a completely safe way. Young children will develop an innate understanding of circuitry and build a strong foundation for future STEM success.

Includes 3 switch blocks, 3 action tops, instructions and parent guide.

Age Recommendation: Ages 18months +



Tillywig Brain Child Award Each year, the Tillywig Awards Program delivers to consumers, retailers, and the media information on the best children's products, baby & parenting products, and educational products available in today's marketplace. The Brain Child Award is given to exciting products that nurture your child's intellectual or emotional development