$25 to $50

Build your very own vending machine! With this engineering kit, you build a toy vending machine that sorts coins, dispenses candy or other small pr...

Move over boring marble runs, there's a new kit in town! Witness physics in action with this innovative, flexible system of tracks. Thanks to nano ...

In this corner, hailing from the rough-and-tumble robotics lab: It’s Robo-Boxer! And in that corner, the wonder from Down Under: Put your mitts tog...

Look close with this kid-focused introductory microscope that magnifies objects up to 600 times! Check out pond water, plant leaves, hair, onions, ...

Enter the world of magic and sorcery! With the magic hat and rabbit puppet, as well as more than 40 other magic props, kids as young as six years o...

See them erupt with excitement building a realistic volcano scene. This giant cardboard and plaster model is classic earth science learning at its ...

Modeled after 2020's My City, My Island is a competitive legacy game in which you develop your own unique island from connected hexagons. Over 24 g...

Get to the core of physics with an ap-peel-ing science kit! Kids who ask "how does it work?" will have a bushel of fun as they build a motorized gy...

Leave the cold outside and bring the joy of the snow indoors! Using the large, colorful plastic base station, dozens of fun tools, and super-expand...

Jumpstart your study of mechanical physics by learning all about simple machines and how they're used to make complex tasks easier to do. Through 2...

Find hidden treasures, track your suspects, mark secret meeting points, and create your own scavenger hunts. The transmitter emits silent, ultrason...

Begin a lifetime of scientific investigation and understanding with 29 fun experiments in five key areas: nature, physics, chemistry, air, and wate...

Choo choo! TrainBots coming through!  All aboard! Put on your engineer’s cap and build your own steampunk-style train robot with amazing steam effe...

Construct your air-powered robotic hand that fits like a glove and prepare to blast off! This amazing engineering project uses pressurized air and ...