Get your gifts shipped before the holidays! Domestic orders placed before December 14th using UPS Ground or December 16th with USPS Priority Mail to have your order delivered by December 24th.

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A gray chess board is set up for play with the blue and red pieces set dynamically from each other, showing the red laser light bouncing off of the pieces.

Laser Chess

$ 64.99
$ 64.99
A blue circuit board, a soldering iron, and wire cutters.

Learn to Solder Kit

$ 29.00
$ 29.00
A kit that changes through the hues of colors soldering kit put together; there is a black hexagon hue PCB attached with white RGB LED light, three light blue dials, and a silver coin holder.

Learn to Solder Kit: Hue

$ 14.99
$ 14.99
A black metal bug with yellow bumblebee strips at the bottom, two red LED lights for eyes, and six silver metal legs, a gold coin cell battery holder on its back.

Learn to Solder Kit: Jitterbug

$ 14.99
$ 14.99
The Blink Solder kit has a black rectangular board with three blue resistors, one red LED, one green LED, one blue LED, three black and gray push buttons, and a gold coin cell holder.

Learn to Solder: Blink

$ 14.99
$ 14.99
A purple and white pebble is on a white background.

Lepidolite Pebble

$ 10.00
$ 10.00
Children's book titled 'Let's Learn About Color' with colorful illustrations on a blue background.

Let's Learn About Color Bathtub Book

$ 12.99
$ 12.99
This is a board book. The cover is black with a blue spine; on the surface is a prism with white light entering on the right into a rainbow on the left. "Let's Make a Rainbow! is written in white on top.

Let's Make a Rainbow: Seeing the Science of Light with Optical Physics by Chris Ferrie.

$ 14.99
$ 14.99
A black cover with an illustration of a wormhole.

Let's Time Travel!: Zooming into the Science of Space-Time with General Relativity

$ 14.99
$ 14.99
Set of 6 life science-themed pencils in decorative packaging.

Life Sciences Pencil Set

$ 10.00
$ 10.00
This is a hardcover book with color-coded element characters corresponding to each element, such as nitrogen; a green element is used in plant fertilizers.

Lift-the-flap Periodic Table by Alice James and Shaw Nielson

$ 15.99
$ 15.99
A dark blue box with a pink and blue lightsaber crossing a yellow and green lightsaber demonstrates the light frequencies.

Light Science Wiz

$ 24.99
$ 24.99
The red, blue, and yellow kendama's lit up against a dark background.

Light-Up Kendama

$ 18.99
$ 18.99
Green glowing lights on a black background

Light-Up Nova Flow Attached Juggling Toy

$ 22.00
$ 22.00
"Liquid Intelligence" is a hardcover book with a black cover; a pitcher is pouring a yellow liquid into a cocktail glass.

Liquid Intelligence: The Art and Science of the Perfect Cocktail by David Arnold

$ 45.00
$ 45.00
A black and white plastic case with holes in it. There are multi colored pegs placed in the holes in the shape of a heart. There is a pile of these pegs and s few sheets of black paper with patterns on them next to the case.

Lite Brite Mini

$ 12.99
$ 12.99
Grey cover with drawing of a person with black hair holding a pencil, puzzle, and apple.

Little People, Big Dreams Alan Turing

$ 15.99
$ 15.99
A blue cover with an illustration of a girl wearing a yellow jacket and holding a sign.

Little People, Big Dreams Greta Thunberg by Maria Isabel Sánchez Vegara

$ 15.99
$ 15.99
Little People, Big Dreams Mae Jemison by Maria Isabel Sánchez Vegara

Little People, Big Dreams Mae Jemison by Maria Isabel Sánchez Vegara

$ 15.99
$ 15.99
Dark blue cover with an illustration of Marie Curie on the front holding a chemistry flask.

Little People, Big Dreams Marie Curie by Maria Isabel Sánchez Vegara

$ 15.99
$ 15.99
A black book with an illustration of Stephan Hawking on the cover.

Little People, Big Dreams Stephen Hawking by Maria Isabel Sánchez Vegara

$ 15.99
$ 15.99
Orange cover with an illustration of Zaha Hadid on the front holding one of her architectural designs.

Little People, Big Dreams Zaha Hadid by Maria Isabel Sánchez Vegara

$ 15.99
$ 15.99
4 4" x 4" board books, Earth and Life, Chemists, Physicists, and Astronomers with slipcase. Features an illustration of Carolyn Porco and Albert Einstein.

Little Scientists Board Book Set by Emily Kleinman, Illustrated by Lydia Ortiz

$ 14.99
$ 14.99
A hand is holding a plastic device that has neon green string connected to it.

Loop Lasso Nano

$ 39.99
$ 39.99