Capable of launching a ball as far as 15 feet. 6.30 x 5.50 x 6.70 Inches, 22 Pieces.
This kit includes everything you need to build a catapult as well as two projectile balls. Safe for indoor and outdoor use,
Defy gravity and learn about magnetic levitation technology. This kit contains materials to float a pencil, levitate a screw, build a fortune teller, build a maglev robot and more.
Ages 8 and up
Includes transparent rocket body, launching station pad, fins, connecting ring, measuring spoon and instruction booklet. Powered by vinegar and baking soda(not included)
For ages 10 & up.
Save the planet by recycling a plastic bottle to support a wind generator! Watch the LED glow as it is powered by free energy from the wind. No batteries required!
Contains: 1 rotor, 1 front-housing with gear and rotor shaft installed, 1 back...
This kit includes necessary components, accessories, and easy-to-follow instructions.
Simply supply a Phillips head screwdriver and four AAA batteries. Recommended for ages 9 and up.
Use a recycled soda can to make a motorized gondola cable car!
Assemble the support and motor, attach a soda can and decorate it with the included stickers.
Set up the cable string and watch your gondola travel along the cable.
Capable of blasting over 30 feet.
Build and send off a gushing water rocket!
Plastic pieces molded in brown and black.Uses the principles of gravity and kinetics to measure the passage of time.
Exhibits concepts relating to the laws of motion.
Move the wings using the conversion of rotary motion in reciprocating motion from another invention of Leonardo.
No glue or paint required.Illustrated instructions
Snap together the wooden parts to build a cart equipped with an amply sized drum. When pulled by its handle, the gears turn the two lateral drums, which are fitted with pegs. The pegs move a total of ten drumsticks that cause them to beat the large...
This model is made of plastic, snaps together and requires no special tools. Assembled product measures approx. 8" L x 6" W x 6"H. Ages 8 and up.
Includes metal drive spring and axle. Can be assembled without paint or glue; finished length is approximately 4.5".