★★★ Open House ★★★
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Squishy Circuits
© 2017 Squishy Circuits

CTR Review
For ages 3-12
For grades P, K, 1, 2, 3, 4, 5, 6
Teaches: electricity, circuits
Play Doh meets electrons, with Squishy Circuits uses conductive and insulating (oil based) plasticine (both water based play dough and oil based clay) to teach the basics of electrical circuits in a very hands on way.

The wire leads, LEDs and various components like a small motor and/or buzzer are included, depending on the kit. You add the batteries. You can use the pre-made doughs or make your own with the provided recipes.

The $10 lite kit is the most basic kit and includes LEDs. The $30 Standard Kit includes LEDs plus a buzzer, motor, switch and 25 more LEDs. The resourceful teacher will note that this kit could be easily made using off the shelf parts, or a lot less money. Consider that you can buy a 20 pack of LEDs at for about $4.
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I have used both the Squishy Circuits kits, and their homemade dough recipe, at my library with ages 3-14 for several years. The company packages components together for ease of use which many librarians and teachers like, but yes you can successfully make the homemade dough and buy individual components elsewhere. The kits have improved in quality and the company is very responsive to user feedback, The LEDs are a nice big size, the battery packs are user-friendly and the buzzer and motor (with propeller) are sturdy. The whole package allows for scaffolded exploration and open-ended play right out of the box.