Walmart offers the SmartLab Toys Smart Circuits Games & Gadgets Electronics Lab for $25.04. Choose in-store pickup to cut that to $24.04. That's a buck under yesterday's mention and the lowest price we've seen. (It's the best deal today by $16, excluding the below mention.) It includes six base boards, a battery module, variable resistor module, microprocessor module, tricolor LED module, speaker module, photodiode module, tilt switch module, 6-LED array module, two push-button modules, 31 jumper wires, and 48-page lab book. Three AAA batteries are required, but not included.

A close price: Amazon charges $25.04 with free shipping.