Thousand Water Star Mini No. 2 Solar Car DIY Assembly Science Experiment Kit - Small Science and Technology Project Teaching Aid৳72.42৳76.23Thousand Water Star Mini No. 2 Solar Car DIY Assembly Science Experiment Kit - Small Science and Technology Project Teaching Aid
Coin-Eating Robot No. 2 - DIY Science Experiment - Coin Swallowing Machine - Children's Educational Toy৳197.51৳207.90Coin-Eating Robot No. 2 - DIY Science Experiment - Coin Swallowing Machine - Children's Educational Toy
2*30mm (1 set) Nylon two-bladed fully submerged propeller for DIY model boats and boats.৳17.56৳18.482*30mm (1 set) Nylon two-bladed fully submerged propeller for DIY model boats and boats.
2mm Three-Blade Propeller DIY Technology Model Propeller Nylon Propeller Thousand Mercury Toy Model Propeller Airplane Model৳10.97৳11.552mm Three-Blade Propeller DIY Technology Model Propeller Nylon Propeller Thousand Mercury Toy Model Propeller Airplane Model
Robot Light-Up Lamp No. 1: A Cutting-Edge DIY Science and Technology Toy for Students to Assemble and Experiment৳65.83৳69.30Robot Light-Up Lamp No. 1: A Cutting-Edge DIY Science and Technology Toy for Students to Assemble and Experiment
Turbine Hydropower Generation Unit 1: DIY Science and Technology Projects, Small Inventions, Scientific Experiments, Assembly and Teaching Aids৳113.02৳118.97Turbine Hydropower Generation Unit 1: DIY Science and Technology Projects, Small Inventions, Scientific Experiments, Assembly and Teaching Aids
7 Types of Plastic Pulley Sets for Technological Model Making, DIY Handmade Transmission Wheel Accessories, Assembly Toys৳21.95৳23.107 Types of Plastic Pulley Sets for Technological Model Making, DIY Handmade Transmission Wheel Accessories, Assembly Toys
Human skeleton assembly model No. 1, simple structure recognition assembly model teaching aid with movable joints৳61.45৳64.68Human skeleton assembly model No. 1, simple structure recognition assembly model teaching aid with movable joints
72 types of plastic gear kits, motor gear kits, DIY model gears and racks, robot accessories in multiple specifications৳120.70৳127.0572 types of plastic gear kits, motor gear kits, DIY model gears and racks, robot accessories in multiple specifications
Multi-specification gear kits, gearboxes, plastic motor gear kits, robot electronic components, DIY technology making.৳10.97৳11.55Multi-specification gear kits, gearboxes, plastic motor gear kits, robot electronic components, DIY technology making.
City Model (Apartment Building No. 1) - DIY Science and Technology Project for Primary and Secondary School Students: House Assembly Sand Table Model Materials৳59.25৳62.37City Model (Apartment Building No. 1) - DIY Science and Technology Project for Primary and Secondary School Students: House Assembly Sand Table Model Materials
Black AA 2-cell battery box with cover and switch, 3V power supply box, two-cell DIY science and technology teaching aid accessories.৳28.53৳30.03Black AA 2-cell battery box with cover and switch, 3V power supply box, two-cell DIY science and technology teaching aid accessories.
2-way wired control box, remote control, motor forward/reverse controller, two-way drive module, forward/reverse switch module৳26.33৳27.722-way wired control box, remote control, motor forward/reverse controller, two-way drive module, forward/reverse switch module
2.5*51mm plastic wheels, DIY homemade teaching aids, four-wheel drive off-road vehicle robot model tire accessories৳87.78৳92.402.5*51mm plastic wheels, DIY homemade teaching aids, four-wheel drive off-road vehicle robot model tire accessories
Round 300 motor mounting bracket (yellow) Mounting bracket Science and technology project parts Plastic mounting bracket৳9.88৳10.40Round 300 motor mounting bracket (yellow) Mounting bracket Science and technology project parts Plastic mounting bracket