Shop for Tinker favorites and save when purchased as a pack. Qualifies for free shipping!

Shop for Kiwi favorites and save when purchased as a pack. Qualifies for free shipping!

Shop for advanced electronics favorites and save when purchased as a pack. Qualifies for free shipping!

Ignite a passion for science with 2 complete chemistry lab kits. With Electrochemistry, you'll complete 2 experiments and engineer a clock that runs on just saltwater and strips of metal. With Glow Lab, you’ll receive a UV light and mix up 3 glowing solutions. Recommended for Ages 14+.

Delivery note: The Chemistry Pack is only eligible for Ground Shipping within the Contiguous United States. This pack will ship separately from any other items in your order. Your entire order only qualifies for Standard Shipping (delivered within 3-10 business days).

Shop for Mechanics favorites and save when purchased as a pack. Recommended for Ages 5-8+.

Qualifies for free shipping!

Build a big green dinosaur costume with matching dino claws. Rawr!

Ignite a passion for science at an early age and save when purchased as a pack. Recommended for Ages 5+. Qualifies for free shipping!

With this 5-pack of projects, you'll concoct oozy, fizzy volcano slime; glittery confetti slime; color-changing thermochromic slime; circuit-perfect conductive slime; doodle-able chalkboard slime; and some bonus glow-in-the-dark slime!

Build two custom electronic art pieces with EL wire. Choose from five existing templates, or create your own from scratch.

Sew up a circuit using flexible conductive thread, then craft a unicorn keychain whose horn lights up when you touch its tail to its hoof.