$25 to $50

Give the gift of exploration. Gift cards are delivered by email and contain instructions to redeem them at checkout. Our gift cards have no additio...

Features Learn how metal detectors work Build a handheld metal detector with adjustable sensitivity Discover how security checkpoints function by...

Features Learn the basics of circuitry as you build your own boxing robots Have a fun bot-battle with family and friends Individual scoreboards a...

Features Floating sensor for pools, jacuzzis etc. IPX7 waterproof rating LCD temperature display (°C/°F) Operating temperature range -5°C ~ 60°C ...

Explore Scientific Thermo-Hygrometer Sensor compatible with WSX Series Weather Stations. Outdoor Range: -22 to 140 Degrees Fahrenheit ( lithium Ba...

Features Radio Controlled Digital Time Display Clock with NIST WWVB Receiver Weather Forecast with Indoor/Outdoor Temperature Display Dual Alarms...

Features Modern design with touch key Clear and large display with weather forecast and comfort level indication Radio-controlled time with dual ...

Features Learn the basics of circuitry as you engineer fun games Design a maze and up the difficulty with a few bends of a wire Set up challenges...