This product is a simple experimental model of hand generator which benefits children's intellectual development and hands-on ability. Besides, while installing and playing, kids can better understand the main structure...

Feature - Great for science education, development of hobbies and interest.  - Snap together assembly of textured wooden parts.  - Just paint favorite color as you like.  - No glue...

Specification:  Net weight: 97G.  Packaging size: 270*200*10mm.  Composite finished product size: 90*90*130mm.  Colour: Log colour.  Material: Wood.     Features:  - Training of Practical Ability.  - Types of Science and Education:...

Description:  Use of 28 highlight RGB full color SMD LED production.  Black 7CM x 7CM material of PCB board.  Two dozen gradient, random breath tailing effects, etc..  3 mm thick translucent...

Description:  -The use of ATMEAG328P DIP-28. With IC Block.  -The display unit using a 160x128 pixel color display, full-screen characters 8x20, 16-bit color depth, graphic display element symbols.  Rotary switch...

Description: Clocks are needed and used from time to time for the obvious reason, to give information of time throughout the day. The modern version of clocks is not merely...

Specification:  Unlock Mode: Fingerprint, Password, Tuya App;  Fingerprint Capacity: 40 pcs;  Color: Black;  Material: Aluminum Alloy lock shell + Acrylic Panel;  Password Capacity: 40 groups;  Anti-lock: No;  Battery: NO.7 alkaline; ...

Descriptions:   This is an integrated serial input / output common-cathode display driver that connects a microprocessor with an 8-digit 7-segment digital LED display or a bar graph display or...