C02 Dragster 50 Student Class Pack with Basswood Blanks This kit comes with all the parts you need for 50 students to make C02 dragster cars. This kit comes well stocked with 2 cartridges per student. CO2 racing makes learning...

Kidder Junior Engineering Box - Electricity This assortment of motors, bulbs, sockets and much more comes in a handy divided utility case. Items included are batteries, batter holders, various bulbs, various sockets, buzzers, motors, switches, and hook-up wires. 117 pieces...

Kidder Junior Engineering Box - Pulleys & Gears This assortment of pulleys and gears come in a handy divided utility case. Items included are assorted sizes of pulleys, motor pulleys, assorted gears, worm gears, gear racks, and dowels. There are...

Kidder Junior Engineering Box - Wheels This assortment of wheels come in a handy divided utility case. Items included are MDF wheels, plastic dragster wheels, card disk wheels, super wheels, and dowel to be used as axles. There are 401...