Quartz Pendulum Mechanism CLOSEOUT SALE! NOW $4.98 (WAS $9.95) WHILE SUPPLIES LAST Mechanism creates pendulum motion. Requires actual pendulum. Size: 3-3/4"x2-1/4"x7/8". Bushing: 5/16" diameter x 1/4" L. MSRP: Was: Now: $4.98 Add to Cart
Rare Earth Magnet, 1 in. dia. x 3/4 in. thick CLOSEOUT SALE! NOW $6.48 (WAS $12.95) WHILE SUPPLIES LAST Rare earth magnets made from exotic materials such as boron, samarium, and neodymium are the most powerful ever made. They can be used to demonstrate... MSRP: Was: Now: $6.48 Add to Cart
Rare Earth Magnet, 1-1/2 in. dia. x 1/4 in. thick CLOSEOUT SALE! NOW $5.98 (WAS $11.95) WHILE SUPPLIES LAST Rare earth magnets made from exotic materials such as boron, samarium, and neodymium are the most powerful ever made. They can be used to demonstrate... MSRP: Was: Now: $5.98 Add to Cart
Rare Earth Magnet, 1/4 in. dia. x 1/8 in. thick CLOSEOUT SALE! NOW .63¢ (WAS $1.25) WHILE SUPPLIES LAST Rare earth magnets made from exotic materials such as boron, samarium, and neodymium are the most powerful ever made. They can be used to demonstrate... MSRP: Was: Now: $0.63 Add to Cart
Rare Earth Magnet, 3/16 in. dia. x 3/16 in. thick CLOSEOUT SALE! NOW .25¢ (WAS .49¢) WHILE SUPPLIES LAST Rare earth magnets made from exotic materials such as boron, samarium, and neodymium are the most powerful ever made. They can be used to demonstrate... MSRP: Was: Now: $0.25 Add to Cart
Rare Earth Magnet, 3/16 in. dia. x 3/8 in. thick CLOSEOUT SALE! NOW .48¢ (WAS .95¢) WHILE SUPPLIES LAST Rare earth magnets made from exotic materials such as boron, samarium, and neodymium are the most powerful ever made. They can be used to demonstrate... MSRP: Was: Now: $0.48 Add to Cart
Recovery Parachute, 18 in. (46 cm) CLOSEOUT SALE! NOW $3.98 (WAS $7.95) WHILE SUPPLIES LAST Assembled recovery chutes with canopy, shroud line and tape discs. MSRP: Was: Now: $3.95 Add to Cart
Recovery Parachute, 24 in. (61 cm) CLOSEOUT SALE! NOW $4.48 (WAS $8.95) WHILE SUPPLIES LAST Assembled recovery chutes with canopy, shroud line and tape discs. MSRP: Was: Now: $4.50 Add to Cart
Refraction Block - Glass CLOSEOUT SALE! NOW $4.50 (WAS $8.95) WHILE SUPPLIES LAST Glass prisms for experiments in diffraction, dispersion, and spectrum. MSRP: Was: Now: $4.50 Add to Cart
Rocketry Workstation Sign CLOSEOUT SALE! NOW $9.95 (WAS $19.95) WHILE SUPPLIES LASTGive your lab that finishing touch. KELVIN®'s exclusive, copyrighted signs feature easy-to-read, large white lettering on a rectangular blue background with a... MSRP: Was: Now: $9.95 Add to Cart
Round Head Machine Screw, 10:32x 1/2 CLOSEOUT SALE! NOW $1.48 (WAS $2.95) WHILE SUPPLIES LAST Slotted screw. Made of steel and zinc. 100/box. MSRP: Was: Now: $1.48 Add to Cart
Round Head Machine Screw, 10:32x 1/4 CLOSEOUT SALE! NOW $1.23 (WAS $2.45) WHILE SUPPLIES LAST Slotted screw. Made of steel and zinc. 100/box. MSRP: Was: Now: $1.23 Add to Cart
Round Head Machine Screw, 10:32x 3/8 CLOSEOUT SALE! NOW $1.33 (WAS $2.65) WHILE SUPPLIES LAST Slotted screw. Made of steel and zinc. 100/box. MSRP: Was: Now: $1.33 Add to Cart
Round Head Machine Screw, 2:56x3/4 CLOSEOUT SALE! NOW $1.78 (WAS $3.55) WHILE SUPPLIES LAST Slotted screw. Made of steel and zinc. 100/box. MSRP: Was: Now: $1.78 Add to Cart
Round Head Machine Screw, 6:32x 1/4 CLOSEOUT SALE! NOW .98¢ (WAS $1.95) WHILE SUPPLIES LAST Slotted screw. Made of steel and zinc. 100/box. MSRP: Was: Now: $0.98 Add to Cart
Round Head Machine Screw, 6:32x3/8 CLOSEOUT SALE! NOW .98¢ (WAS $1.95) WHILE SUPPLIES LAST Slotted screw. Made of steel and zinc. 100/box. MSRP: Was: Now: $0.98 Add to Cart
Round Head Machine Screw, 8:32x 1/2 CLOSEOUT SALE! NOW $1.48 (WAS $2.95) WHILE SUPPLIES LAST Slotted screw. Made of steel and zinc. 100/box. MSRP: Was: Now: $1.48 Add to Cart
Round Head Wood Screw, #4 x 1 in. CLOSEOUT SALE! NOW $1.53 (WAS $3.05) WHILE SUPPLIES LAST Slotted, Steel/Zinc, 100 / Box. MSRP: Was: Now: $1.53 Add to Cart
Round Head Wood Screw, #4 x 1/2 in. CLOSEOUT SALE! NOW $1.50 (WAS $3.00) WHILE SUPPLIES LAST Slotted, Steel/Zinc, 100 / Box. MSRP: Was: Now: $1.50 Add to Cart
Round Head Wood Screw, #4 x 3/8 in. CLOSEOUT SALE! NOW $1.48 (WAS $2.95) WHILE SUPPLIES LAST Slotted, Steel/Zinc, 100 / Box. MSRP: Was: Now: $1.48 Add to Cart